PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54A50B94Cap,center Section

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1040-00-938-8957 · FSC 1040 · No Item Name Available
Verified by PartsTable
NSN 1040-00-938-8957 — this item is cataloged by the U.S. Government under National Stock Number 1040-00-938-8957. Primary manufacturer part number: 54A50B94.
Features
  • Cap,center Section — FSC 1040
  • 3 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,center Section, cataloged under National Stock Number 1040-00-938-8957, is classified within Federal Supply Class 1040 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap,center Section
FSC / FSG1040 — No Item Name Available (FSG 10)
ManufacturersL3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003)
Technical Specifications
ParameterValue
NSN1040-00-938-8957
Primary Part Number54A50B94
Item NameCap,center Section
FSC / FSG1040 / 10 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-050-1495 INTERCHANGEABLE
Semiconductor Device,thyristor
3110-00-100-0529 INTERCHANGEABLE
Cup,tapered Roller Bearing
5330-00-100-7767 INTERCHANGEABLE
Seal Kit
5305-00-138-452317520 INTERCHANGEABLE
Screw
Hein Werner Corp
5330-00-141-2419175-20 INTERCHANGEABLE
Gasket
Lenz Inc Dba the Lenz Company
3455-00-224-3648SHML-400 INTERCHANGEABLE
Cutter,milling,shell End
Pohl Tool Co
3030-00-317-481110105 INTERCHANGEABLE
Belt,v
Liftking Manufacturing Corp
5962-00-514-1917619-3531-001 INTERCHANGEABLE
Microcircuit,digital
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5945-00-615-8841SGMESPD143-26 INTERCHANGEABLE
Chopper,electronic
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
3120-00-998-60001-7520 INTERCHANGEABLE
Bearing,sleeve
M.t. Davidson Company
Cross-Reference Index
Part NumberManufacturer
17520 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
54A50B94 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
54A50B94 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
5961-00-050-1495INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
3110-00-100-0529INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5330-00-100-7767INTERCHANGEABLE
SEAL KIT
5305-00-138-4523INTERCHANGEABLE
SCREW
17520
5330-00-141-2419INTERCHANGEABLE
GASKET
175-20
3455-00-224-3648INTERCHANGEABLE
CUTTER,MILLING,SHELL END
SHML-400
3030-00-317-4811INTERCHANGEABLE
BELT,V
10105
5962-00-514-1917INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
619-3531-001
5945-00-615-8841INTERCHANGEABLE
CHOPPER,ELECTRONIC
SGMESPD143-26
3120-00-998-6000INTERCHANGEABLE
BEARING,SLEEVE
1-7520
4310-01-073-9039INTERCHANGEABLE
CAP,RETAINING
17520
5342-01-089-4200INTERCHANGEABLE
BRACKET,MUFFLER
5-14-515-10-1

Frequently Asked Questions

What is NSN 1040-00-938-8957?

NSN 1040-00-938-8957 is a Cap,center Section, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1040 (No Item Name Available). Status: active.

What are the part numbers for NSN 1040-00-938-8957?

NSN 1040-00-938-8957 has 3 cross-referenced part numbers: 17520 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50B94 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 54A50B94 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 1040-00-938-8957?

There are 12 known substitutes for 1040-00-938-8957: 5961-00-050-1495, 3110-00-100-0529, 5330-00-100-7767 and 9 more. Verify interchangeability with system specifications before substitution.

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