NSN 5310-01-691-5220 · NIIN 016915220 · Part number DIN125A2 20
Metric and Multistandard Components Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 15526
Government record, cited
NSN 5310-01-691-5220 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-691-5220. Manufacturer of record part number: DIN125A2 20.
Also searched as5310-01-691-5220 ·
5310016915220 ·
NIIN 016915220 ·
01-691-5220 ·
FSC 5310 Nuts and Washers · CAGE 15526 · DIN125A2 20 · IN3503252XN
Manufacturer: Metric and Multistandard Components Corp
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-691-5220, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Metric and Multistandard Components Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 5310-01-691-5220?
NSN 5310-01-691-5220 is a Washer,flat, manufactured by Metric and Multistandard Components Corp, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-691-5220?
NSN 5310-01-691-5220 has 2 manufacturer part numbers on file: IN3503252XN (Illca S.m.i S.r.l.), DIN125A2 20 (Metric and Multistandard Components Corp).
What are the specifications of DIN125A2 20?
Key specifications for DIN125A2 20: Overall Diameter: 37.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: ATCALS. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-691-5220 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.