PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32-341Washer,key

Hyer Industries Inc · NSN 5310-00-242-7139 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-242-7139 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-242-7139. Primary manufacturer part number: 32-341.
Features
  • Washer,key — FSC 5310
  • 11 verified cross-references
  • Primary manufacturer: Hyer Industries Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,key, cataloged under National Stock Number 5310-00-242-7139, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hyer Industries Inc. This item has 11 commercial cross-references from 10 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 NameWasher,key
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Mason Electric Co. Dba Mason Controls (CAGE 81579); Miltope Corporation (CAGE 54418); Saab Ab (publ) - Business Area Surveillance - Ew Systems (CAGE S3514); Hyer Industries Inc (CAGE 09116)
Technical Specifications
ParameterValue
NSN5310-00-242-7139
Primary Part Number32-341
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHyer Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-143-870810351695-1 INTERCHANGEABLE
Seal,plain Encased
Us Army Aviation and Missile Command
5962-00-167-2836SN74151N INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5325-00-200-741547D2 INTERCHANGEABLE
Ring,retaining
Oshkosh Defense Llc
4730-00-202-9390SAE J531 4 130109AB INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
2530-00-487-2084757364 INTERCHANGEABLE
Camshaft,actuating,brake Shoe
Fwd Seagrave Holdings Lp
5935-00-563-1421MRE26H8 INTERCHANGEABLE
Backshell,electrical Connector
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5360-00-664-1798 INTERCHANGEABLE
Spring,helical,compression
5935-01-080-1377 INTERCHANGEABLE
Connector,plug,electrical
5330-01-139-500617-3-2639-1 INTERCHANGEABLE
Seal,plain Encased
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5930-01-141-5368 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
1574730 Oshkosh Defense Llc (USA)
21786 Mason Electric Co. Dba Mason Controls (USA)
PM21786 Mason Electric Co. Dba Mason Controls (USA)
N69-103 Miltope Corporation (USA)
SS3015/11 Saab Ab (publ) - Business Area Surveillance - Ew Systems (SWE)
32-341 PRIMARY Hyer Industries Inc (USA)
32-341 Eaton Corp Opns & Technical Center (USA)
G376768 Zf Industrieantriebe Witten Gmbh (DEU)
21786 Amphenol Corp Div Amphenol Aerospace Operations (USA)
1574730 Oshkosh Corp (USA)
21786 Unison Industries Llc (USA)
Related Parts
5330-00-143-8708INTERCHANGEABLE
SEAL,PLAIN ENCASED
10351695-1
5962-00-167-2836INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN74151N
5325-00-200-7415INTERCHANGEABLE
RING,RETAINING
47D2
4730-00-202-9390INTERCHANGEABLE
PLUG,PIPE
SAE J531 4 130109AB
2530-00-487-2084INTERCHANGEABLE
CAMSHAFT,ACTUATING,BRAKE SHOE
757364
5935-00-563-1421INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
MRE26H8
5360-00-664-1798INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5935-01-080-1377INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-01-139-5006INTERCHANGEABLE
SEAL,PLAIN ENCASED
17-3-2639-1
5930-01-141-5368INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5120-01-185-7957INTERCHANGEABLE
REMOVER,BEARING AND BUSHING
21786
5340-01-206-1521INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
15PA87

Frequently Asked Questions

What is NSN 5310-00-242-7139?

NSN 5310-00-242-7139 is a Washer,key, manufactured by Hyer Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-242-7139?

NSN 5310-00-242-7139 has 11 cross-referenced part numbers: 1574730 (Oshkosh Defense Llc), 21786 (Mason Electric Co. Dba Mason Controls), PM21786 (Mason Electric Co. Dba Mason Controls), N69-103 (Miltope Corporation), SS3015/11 (Saab Ab (publ) - Business Area Surveillance - Ew Systems) and 6 more.

What NSN replaces 5310-00-242-7139?

There are 12 known substitutes for 5310-00-242-7139: 5330-00-143-8708, 5962-00-167-2836, 5325-00-200-7415 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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