PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54A50A38Bearing,washer,thrust

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 3120-00-071-8738 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-071-8738 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-071-8738. Primary manufacturer part number: 54A50A38.
Features
  • Bearing,washer,thrust — FSC 3120
  • Material: COPPER ALLOY OVERALL
  • Style Designator: ROUND
  • Material: OIL LUBRICATING LUBRICATION
  • Surface Finish: 100.0 MICROINCHES OVERALL
  • Outside Diameter: 0.4850 INCHES MINIMUM AND 0.4900 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Overall Thickness: 0.0560 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-071-8738, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-071-8738
Primary Part Number54A50A38
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Style DesignatorROUND
MaterialOIL LUBRICATING LUBRICATION
Surface Finish100.0 MICROINCHES OVERALL
Outside Diameter0.4850 INCHES MINIMUM AND 0.4900 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Overall Thickness0.0560 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Diameter0.2570 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2810-00-118-949619528 INTERCHANGEABLE
Lock,valve Spring Retainer
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
6240-00-143-3132150/IF 120V INTERCHANGEABLE
Lamp,incandescent
General Electric Co Accessary Equipment Opn
3110-01-119-710429111P INTERCHANGEABLE
Retainer
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
54A50A38 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
19528 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
54A50A38 Naval Sea Systems Command (USA)
Related Parts
2810-00-118-9496INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
19528
6240-00-143-3132INTERCHANGEABLE
LAMP,INCANDESCENT
150/IF 120V
3110-01-119-7104INTERCHANGEABLE
RETAINER
29111P

Frequently Asked Questions

What is NSN 3120-00-071-8738?

NSN 3120-00-071-8738 is a Bearing,washer,thrust, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-071-8738?

NSN 3120-00-071-8738 has 3 cross-referenced part numbers: 54A50A38 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 19528 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50A38 (Naval Sea Systems Command).

What NSN replaces 3120-00-071-8738?

There are 3 known substitutes for 3120-00-071-8738: 2810-00-118-9496, 6240-00-143-3132, 3110-01-119-7104. Verify interchangeability with system specifications before substitution.

What are the specifications of 54A50A38?

Key specifications for 54A50A38: Material: COPPER ALLOY OVERALL; Style Designator: ROUND; Material: OIL LUBRICATING LUBRICATION; Surface Finish: 100.0 MICROINCHES OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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