PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

373-8040-00Washer,lock

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5310-00-209-1239 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-1239 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-1239. Primary manufacturer part number: 373-8040-00.
Features
  • Washer,lock — FSC 5310
  • 24 verified cross-references
  • Primary manufacturer: Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-209-1239, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. This item has 24 commercial cross-references from 23 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499); Itw Shakeproof Automotive Products (CAGE 78189); Drs Sustainment Systems Inc (CAGE 98255); Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Spectrum Pressurestat Co Inc (CAGE 24477)
Technical Specifications
ParameterValue
NSN5310-00-209-1239
Primary Part Number373-8040-00
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-109-1179 INTERCHANGEABLE
Bearing,ball,annular
5940-00-427-1910 INTERCHANGEABLE
Terminal,stud
5945-00-494-497311151238-1 INTERCHANGEABLE
Relay,electromagnetic
Us Army Aviation and Missile Command
5940-00-596-4587 INTERCHANGEABLE
Terminal,stud
2920-00-740-266410437 INTERCHANGEABLE
Lead,ignition,engine
Champion Aerospace Llc
3930-00-949-654099506 INTERCHANGEABLE
Cushion,upright Ass
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
3110-01-333-3656 INTERCHANGEABLE
Bearing,ball,annular
4820-01-436-42221610-00 INTERCHANGEABLE
Cap,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5330-01-497-125499-D-144-10 INTERCHANGEABLE
Gasket
Derbyshire Machine & Tool Co
6540-01-512-739710437 INTERCHANGEABLE
Fuse for Vision Tester
Stereo Optical Company, Inc
Cross-Reference Index
Part NumberManufacturer
373-8040-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
1610-00-00 Itw Shakeproof Automotive Products (USA)
MS35335-60 Drs Sustainment Systems Inc (USA)
824636-5 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
34-037 Spectrum Pressurestat Co Inc (USA)
A50803-061 Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls (USA)
9421031 General Motors Corp (USA)
824636-5 Lockheed Martin Corporation Div Rms (USA)
5310002091239 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
99506ADX Airdale Express Llc Div Airdale Express (USA)
8825429-36 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
10116681 Nimikkeistokeskus Ncb Finland (FIN)
161000 Itw Shakeproof Automotive Products (USA)
MS35335-60 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10437 Kleinschmidt Inc (USA)
411101-60 Zf Industrieantriebe Witten Gmbh (DEU)
99506 Federal Screw Products, Inc. (USA)
936B10C Numax Electronics Inc (USA)
5310002091239 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
583603 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
3110-00-109-1179INTERCHANGEABLE
BEARING,BALL,ANNULAR
5940-00-427-1910INTERCHANGEABLE
TERMINAL,STUD
5945-00-494-4973INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
11151238-1
5940-00-596-4587INTERCHANGEABLE
TERMINAL,STUD
2920-00-740-2664INTERCHANGEABLE
LEAD,IGNITION,ENGINE
10437
3930-00-949-6540INTERCHANGEABLE
CUSHION,UPRIGHT ASS
99506
3110-01-333-3656INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-01-436-4222INTERCHANGEABLE
CAP,VALVE
1610-00
5330-01-497-1254INTERCHANGEABLE
GASKET
99-D-144-10
6540-01-512-7397INTERCHANGEABLE
FUSE FOR VISION TESTER
10437
6515-01-570-3316INTERCHANGEABLE
SUPPORT,CERVICAL
4330-01-596-2132INTERCHANGEABLE
FILTER,FLUID
1.0437

Frequently Asked Questions

What is NSN 5310-00-209-1239?

NSN 5310-00-209-1239 is a Washer,lock, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-209-1239?

NSN 5310-00-209-1239 has 24 cross-referenced part numbers: 373-8040-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 1610-00-00 (Itw Shakeproof Automotive Products), MS35335-60 (Drs Sustainment Systems Inc), 824636-5 (Lockheed Martin Corporation Div Rms - Mitchel Field), 34-037 (Spectrum Pressurestat Co Inc) and 19 more.

What NSN replaces 5310-00-209-1239?

There are 12 known substitutes for 5310-00-209-1239: 3110-00-109-1179, 5940-00-427-1910, 5945-00-494-4973 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-00-209-1239 still in active supply?

NSN 5310-00-209-1239 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com