NSN 5310-01-620-3621 · NIIN 016203621 · Part number 12562457
Choctaw Manufacturing Defense Contractors, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 4D3B0
Government record, cited
NSN 5310-01-620-3621 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-620-3621. Manufacturer of record part number: 12562457.
Also searched as5310-01-620-3621 ·
5310016203621 ·
NIIN 016203621 ·
01-620-3621 ·
FSC 5310 Nuts and Washers · CAGE 4D3B0 · 12562457
Manufacturer of record: Choctaw Manufacturing Defense Contractors, Inc.
Identification
NSN: 5310-01-620-3621
NIIN: 016203621
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 12562457
Manufacturer: Choctaw Manufacturing Defense Contractors, Inc.
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-620-3621, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Choctaw Manufacturing Defense Contractors, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Washer,flat
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Choctaw Manufacturing Defense Contractors, Inc. (CAGE 4D3B0)
Choctaw Manufacturing Defense Contractors, Inc. (USA)
Reference documents
Reference
Meaning
12562457
D/9Drawing number reference only
U S Army Tank Automotive Command Amsta-Im-Mm
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-620-3621?
NSN 5310-01-620-3621 is a Washer,flat, manufactured by Choctaw Manufacturing Defense Contractors, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-620-3621?
NSN 5310-01-620-3621 has 1 manufacturer part number on file: 12562457 (Choctaw Manufacturing Defense Contractors, Inc.).
Is NSN 5310-01-620-3621 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.