The Washer,lock, cataloged under National Stock Number 5310-01-097-8191, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-097-8191
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Style Designator
SERRATED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5360-01-435-776622603POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
6220-01-542-464222603POSSIBLE MATCH
LIGHT,NAVIGATIONAL,AIRCRAFT
Possible match (shared part number)Grimes Aerospace Company
5975-01-576-4915POSSIBLE MATCH
RACEWAY,METALLIC
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2260-3
3/2Design control — primary reference
U.S. Government activity
Related Parts
5360-01-435-7766POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
22603
6220-01-542-4642POSSIBLE MATCH
LIGHT,NAVIGATIONAL,AIRCRAFT
22603
5975-01-576-4915POSSIBLE MATCH
RACEWAY,METALLIC
Frequently Asked Questions
What is NSN 5310-01-097-8191?
NSN 5310-01-097-8191 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-097-8191?
3 possible matches (shared part number, not a government interchangeability claim): 5360-01-435-7766, 6220-01-542-4642, 5975-01-576-4915. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-097-8191?
Key specifications for 5310-01-097-8191: Style Designator: SERRATED. 1 specification is documented in the U.S. Government catalog.
Is NSN 5310-01-097-8191 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.