NSN 5310-01-342-5517 · NIIN 013425517 · Part number 43641
Bourns Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 32997
Government record, cited
NSN 5310-01-342-5517 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-342-5517. Manufacturer of record part number: 43641.
Also searched as5310-01-342-5517 ·
5310013425517 ·
NIIN 013425517 ·
01-342-5517 ·
FSC 5310 Nuts and Washers · CAGE 32997 · 43641 · 43641/57783 · 126593 · 126593
The Washer,flat, cataloged under National Stock Number 5310-01-342-5517, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bourns Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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)
Manufacturers
Bourns Inc (CAGE 32997)
Technical Specifications
Parameter
Value
NSN
5310-01-342-5517
Primary Part Number
43641
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Bourns Inc
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 Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3230-01-344-940843641POSSIBLE MATCH
BIT,ROUTER
Possible match (shared part number)Porter Cable/delta
5305-01-436-6331AEB02F500F50WA6D71POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)The American Society of Mechanical Engineers
NSN 5310-01-342-5517 is a Washer,flat, manufactured by Bourns Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-342-5517?
NSN 5310-01-342-5517 has 2 manufacturer part numbers on file: 43641 (Bourns Inc), 126593 (Bourns Inc).
What NSN replaces 5310-01-342-5517?
2 possible matches (shared part number, not a government interchangeability claim): 3230-01-344-9408, 5305-01-436-6331. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-342-5517 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.