NSN 5310-01-306-4641 · NIIN 013064641 · Part number 20526
Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE K0754
Government record, cited
NSN 5310-01-306-4641 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-306-4641. Manufacturer of record part number: 20526.
Also searched as5310-01-306-4641 ·
5310013064641 ·
NIIN 013064641 ·
01-306-4641 ·
FSC 5310 Nuts and Washers · CAGE K0754 · 20526
Manufacturer of record: Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery
Identification
NSN: 5310-01-306-4641
NIIN: 013064641
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 20526
Manufacturer: Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-306-4641, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery (GBR)
Reference documents
Reference
Meaning
20526
3/2Design control — primary reference
U.S. Government activity
Related Parts
4820-01-393-0473POSSIBLE MATCH
VALVE,GLOBE
5330-01-647-8312POSSIBLE MATCH
GASKET
20526
5310-01-707-3293POSSIBLE MATCH
WASHER,FLAT
20-23050
5310-01-707-3317POSSIBLE MATCH
WASHER,FLAT
20-4564
5310-01-707-3380POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
A53-63
5306-01-707-3431POSSIBLE MATCH
BOLT,SHOULDER
34-681
3040-01-707-3436POSSIBLE MATCH
WEIGHT,COUNTERBALANCE
38-20380
Frequently Asked Questions
What is NSN 5310-01-306-4641?
NSN 5310-01-306-4641 is a Washer,lock, manufactured by Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-306-4641?
NSN 5310-01-306-4641 has 1 manufacturer part number on file: 20526 (Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery).
What NSN replaces 5310-01-306-4641?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-393-0473, 5330-01-647-8312, 5310-01-707-3293. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-306-4641 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.