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  3. MIL STD NAS537-10-061

MIL STD NAS537-10-061 Nos Usgi Helicopter Bushing Sleeve CH-53 3120-00-945-8420

3120-00-945-8420 Mil Std Nas537-10-061 5 Nos Usgi Ch-53 Helicopter Bushing Sleeve

( Brand: Mil Std ), ( Manufacturer Part Number: NAS537-10-061 ), ( Part Type: Bushing Sleeve ), ( Compatible Make: Sikorsky )

Review MIL STD Nos Usgi Helicopter Bushing Sleeve

MIL-STD-NAS537-10-061 NOS USGI CH-53 Helicopter Bushing Sleeve (3120-00-945-8420)

Description:

The MIL-STD-NAS537-10-061 NOS USGI CH-53 Helicopter Bushing Sleeve, designated as part number 3120-00-945-8420, is a critical component designed specifically for use in USGI (United States Government Issue) CH-53 helicopters. This bushing sleeve is manufactured in accordance with the stringent MIL-STD-NAS537-10 military standard, ensuring the highest level of quality and reliability.

This bushing sleeve is designed to serve as an intermediate component between the helicopter's main rotor and the bushing assembly. Its primary function is to facilitate the smooth and efficient rotation of the main rotor blades while absorbing the loads and stresses generated during flight.

The sleeve is constructed from a high-strength material, providing the necessary durability and resistance to wear and tear. The material's excellent mechanical properties enable it to withstand the extreme operating conditions experienced by the CH-53 helicopter, such as high temperatures and heavy loads.

The bushing sleeve features precise dimensions and tolerances, ensuring a perfect fit in the helicopter's bushing assembly. Its smooth, polished surface ensures that the rotor blades glide through it with minimal friction, reducing the risk of wear and extending the life of the component.

The MIL-STD-NAS537-10-061 NOS USGI CH-53 Helicopter Bushing Sleeve is an essential part of the helicopter's rotor system. Its superior design and manufacturing ensure that it meets the demanding requirements of military aviation and provides reliable performance in even the most challenging environments.

In conclusion, the MIL-STD-NAS537-10-061 NOS USGI CH-53 Helicopter Bushing Sleeve (3120-00-945-8420) is a critical helicopter component designed to provide smooth and efficient rotor blade movement while absorbing loads and stresses. Manufactured to the MIL-STD-NAS537-10 military standard, it ensures the highest level of quality, reliability, and durability.

Pros and Cons of Buying a CH-53 Helicopter Bushings Sleeve (Mil-Std-Nas537-10-061, NOS, USGI, 3120-00-945-8420)

Introduction:

The CH-53 Helicopter Bushings Sleeve (Mil-Std-Nas537-10-061, NOS, USGI, 3120-00-945-8420) is a critical component used in the CH-53 helicopter's transmission system. This part ensures proper alignment and reduces wear between mating surfaces. In this analysis, we will discuss the advantages and disadvantages of purchasing this specific bushings sleeve.

Pros:

1. Military-Grade Standard: This part adheres to the rigorous Mil-Std-Nas537-10-061 specification, ensuring high-quality materials and manufacturing processes.

2. Interchangeability: By purchasing this part as a USGI (United States Government Issue) item, it can be used as a direct replacement in other CH-53 helicopters, increasing its versatility.

3. Durability: Given the critical nature of the application, this bushings sleeve is designed to withstand the harsh operating conditions of the CH-53 helicopter, providing long-lasting performance.

Cons:

1. Cost: Military-grade components often come with a higher price tag due to the stringent manufacturing requirements and testing procedures.

2. Availability: The availability of this specific part may be limited due to its military-grade status and the fact that it is a NOS (New Old Stock) item.

3. Complexity: The purchasing process for this part may be more complicated than purchasing a commercial-grade equivalent due to the need for proper documentation and military channels.

Conclusion:

The CH-53 Helicopter Bushings Sleeve (Mil-Std-Nas537-10-061, NOS, USGI, 3120-00-945-8420) offers several advantages, including military-grade standard, interchangeability, and durability. However, the higher cost, limited availability, and complex purchasing process may deter some buyers. Ultimately, the decision to purchase this part depends on the specific requirements of the application and the availability of alternative, commercial-grade options.

Recommendation:

If the application requires a high degree of reliability and the need for direct interchangeability with other CH-53 helicopters, it may be worth the investment in the Mil-Std-Nas537-10-061 bushings sleeve. For less critical applications or when cost and availability are significant concerns, exploring commercial-grade alternatives may be a more practical solution.

Details:

Listing is for lot of 5, Ships to the US only,: : LOC F1-A2S-B5-S2-C7, NOS USGI surplus.

specifications aviationpar:

  • brand: Mil Std
  • mpn: Nas537-10-061
  • part type: Bushing Sleeve
  • compatible make: Sikorsky

offer aviationpar:

  • sold: 0
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home
  • started: January 9, 2026

general aviationpar:

  • Parts Accessories > Aviation Parts Accessories > Parts
  • condition: New

seller aviationpar:

  • # reviews: 12682
  • rating: 98.5%
  • city: Ogden, Utah

returns aviationpar:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

shipping aviationpar:

  • type: Calculated
  • class: Expedited, Economy, Standard
  • service: USPS Priority Mail, FedEx Ground Economy, USPS Ground Advantage, USPS Priority Mail Padded Flat Rate Envelope
  • cost: $13.00
  • transit: 5-12 Days
  • carrier: USPS, FedEx

payments aviationpar:

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  • wallet: Paypal
  • credit card: Diners-club
part type: bushing sleeve, compatible make: sikorsky,
category: auto parts > aviation parts accessories > parts, sku: 19663121108489502,
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