The Washer,lock, cataloged under National Stock Number 5310-00-007-3018, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Washer,lock
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Technical Specifications
Parameter
Value
NSN
5310-00-007-3018
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-00-461-3146POSSIBLE MATCH
PLUG,LOCKING
Possible match (shared part number)
2530-00-518-6839A3811C3POSSIBLE MATCH
KNUCKLE ASY
Possible match (shared part number)Meritor Industrial Products, Llc
5310-00-706-8766353019POSSIBLE MATCH
NUT,PLAIN,PLATE
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
353019-801
3/9Design control — primary reference
Uop Inc Bostrom Div
353019
5/9Secondary reference
Uop Inc Bostrom Div
Related Parts
4320-00-461-3146POSSIBLE MATCH
PLUG,LOCKING
2530-00-518-6839POSSIBLE MATCH
KNUCKLE ASY
A3811C3
5310-00-706-8766POSSIBLE MATCH
NUT,PLAIN,PLATE
353019
Frequently Asked Questions
What is NSN 5310-00-007-3018?
NSN 5310-00-007-3018 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-007-3018?
3 possible matches (shared part number, not a government interchangeability claim): 4320-00-461-3146, 2530-00-518-6839, 5310-00-706-8766. Verify interchangeability with system specifications before substitution.
Is NSN 5310-00-007-3018 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.