PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

021704Washer,lock

Fairbanks Morse, Llc · NSN 5310-01-208-6685 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-208-6685 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-208-6685. Primary manufacturer part number: 021704.
Features
  • Washer,lock — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Fairbanks Morse, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-208-6685, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 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)
ManufacturersColtec Industries Inc Dba Fairbanks Morse Engine Fm/alco (CAGE 50024); Fairbanks Morse, Llc (CAGE 7PZX0); Paxman Diesels Ltd (CAGE U1476)
Technical Specifications
ParameterValue
NSN5310-01-208-6685
Primary Part Number021704
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-541-4186021704 INTERCHANGEABLE
Fan,circulating
Rotron Incorporated
6530-01-502-755112348 INTERCHANGEABLE
Pouch,sterilization
Advanced Sterilization Products Services Inc.
Cross-Reference Index
Part NumberManufacturer
021704 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
021704 PRIMARY Fairbanks Morse, Llc (USA)
021704 Paxman Diesels Ltd (GBR)
Related Parts
4140-00-541-4186INTERCHANGEABLE
FAN,CIRCULATING
021704
6530-01-502-7551INTERCHANGEABLE
POUCH,STERILIZATION
12348

Frequently Asked Questions

What is NSN 5310-01-208-6685?

NSN 5310-01-208-6685 is a Washer,lock, manufactured by Fairbanks Morse, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-208-6685?

NSN 5310-01-208-6685 has 3 cross-referenced part numbers: 021704 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 021704 (Fairbanks Morse, Llc), 021704 (Paxman Diesels Ltd).

What NSN replaces 5310-01-208-6685?

There are 2 known substitutes for 5310-01-208-6685: 4140-00-541-4186, 6530-01-502-7551. Verify interchangeability with system specifications before substitution.

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