The Washer,flat, cataloged under National Stock Number 5310-01-341-6527, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Washer,flat
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Technical Specifications
Parameter
Value
NSN
5310-01-341-6527
Item Name
Washer,flat
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.
5365-01-395-780217634POSSIBLE MATCH
SHIM
Possible match (shared part number)Westerbeke Corporation
4730-01-421-340017634POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
Possible match (shared part number)Spx Fluid Power
4130-01-459-916817634POSSIBLE MATCH
VACU-DISCS
Possible match (shared part number)Dcm Clean Air Products, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
17634
3/2Design control — primary reference
U.S. Government activity
Related Parts
5365-01-395-7802POSSIBLE MATCH
SHIM
17634
4730-01-421-3400POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
17634
4130-01-459-9168POSSIBLE MATCH
VACU-DISCS
17634
Frequently Asked Questions
What is NSN 5310-01-341-6527?
NSN 5310-01-341-6527 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-341-6527?
3 possible matches (shared part number, not a government interchangeability claim): 5365-01-395-7802, 4730-01-421-3400, 4130-01-459-9168. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-341-6527 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.