The Washer,lock, cataloged under National Stock Number 5310-01-133-2130, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fastenal Company Dba Fastenal Co (CAGE 0Y3H3); Oshkosh Defense Llc (CAGE 75Q65); The American Society of Mechanical Engineers (CAGE 05047) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-133-2130 |
| Primary Part Number | AES07X500000WJ1AS1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 0123498 | Fastenal Company Dba Fastenal Co (USA) |
| 355AX | Oshkosh Defense Llc (USA) |
| AES07X500000WJ1AS1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| 5310PL2139407 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 93613845 | 5/9 Secondary reference Kidde Fire Fighting, Inc. Div National Foam |
| 355AX | 5/9 Secondary reference Oshkosh Corp |
| 355AX1 | 5/9 Secondary reference Oshkosh Corp |
| 12759-00108 | C/1 Advisory reference — outside the item-of-supply concept Fastenal Company Dba Fastenal Co |
| 5310011332130 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5305-400 | C/1 Advisory reference — outside the item-of-supply concept Cemen Tech, Inc. |
| SA-1600-4 | C/1 Advisory reference — outside the item-of-supply concept Hendrickson Turner |
NSN 5310-01-133-2130 is a Washer,lock, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-133-2130 has 3 manufacturer part numbers on file: 0123498 (Fastenal Company Dba Fastenal Co), 355AX (Oshkosh Defense Llc), AES07X500000WJ1AS1 (The American Society of Mechanical Engineers).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-614-4587. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.