PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

K-2963-20M08Washer,lock

Winchester Interconnect Corporation · NSN 5310-01-408-2099 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-408-2099 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-408-2099. Primary manufacturer part number: K-2963-20M08.
Features
  • Washer,lock — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Winchester Interconnect Corporation
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-408-2099, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Winchester Interconnect Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersAstrocom Electronics Inc (CAGE 18068); Winchester Interconnect Corporation (CAGE 91836)
Technical Specifications
ParameterValue
NSN5310-01-408-2099
Primary Part NumberK-2963-20M08
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWinchester Interconnect Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3455-00-254-846113500 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
2530-00-337-667000926341 INTERCHANGEABLE
Tie Rod End,steering
Tvh Parts Co.
2825-00-337-7103 INTERCHANGEABLE
Yoke,governor Sprin
5310-00-837-879926341 INTERCHANGEABLE
Washer,flat
Jenny Products, Inc
5365-01-187-054026341 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
26341 Astrocom Electronics Inc (USA)
K-2963-20M08 PRIMARY Winchester Interconnect Corporation (USA)
Related Parts
3455-00-254-8461INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13500
2530-00-337-6670INTERCHANGEABLE
TIE ROD END,STEERING
00926341
2825-00-337-7103INTERCHANGEABLE
YOKE,GOVERNOR SPRIN
5310-00-837-8799INTERCHANGEABLE
WASHER,FLAT
26341
5365-01-187-0540INTERCHANGEABLE
SHIM
26341

Frequently Asked Questions

What is NSN 5310-01-408-2099?

NSN 5310-01-408-2099 is a Washer,lock, manufactured by Winchester Interconnect Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-408-2099?

NSN 5310-01-408-2099 has 2 cross-referenced part numbers: 26341 (Astrocom Electronics Inc), K-2963-20M08 (Winchester Interconnect Corporation).

What NSN replaces 5310-01-408-2099?

There are 5 known substitutes for 5310-01-408-2099: 3455-00-254-8461, 2530-00-337-6670, 2825-00-337-7103 and 2 more. Verify interchangeability with system specifications before substitution.

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