The Washer,lock, cataloged under National Stock Number 5310-00-180-0277, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Us Army Aviation and Missile Command (CAGE 18876); Martin-Baker Aircraft Company Limited (CAGE U1604); Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499); Oshkosh Defense Llc (CAGE 75Q65); Thales Uk Limited Dba Thales Uk Ltd Avionics (CAGE K0385) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-180-0277 |
| Primary Part Number | 373-0046-000 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 541844 | Us Army Aviation and Missile Command (USA) |
| P40090 | Martin-Baker Aircraft Company Limited (GBR) |
| 373-0046-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 2BV843 | Oshkosh Defense Llc (USA) |
| 927000-0076 | Thales Uk Limited Dba Thales Uk Ltd Avionics (GBR) |
| 4E06 | Amz Alabama Inc. (USA) |
| FK173685-7 | Western Star Trucks Incdba Defence & Specialty Products Div Div Defence & Specialty Products (CAN) |
| Reference | Meaning |
|---|---|
| C-1423 | 5/2 Secondary reference U.S. Government activity |
| 4E06 | 5/9 Secondary reference Clark Equipment Co |
| 153-0098-008 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| P18205 | 5/9 Secondary reference Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co |
| 5310001800277 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MS35333-76 | 5/9 Secondary reference U.S. Government activity |
| 10387411 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4E06 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| MS35333-76 | 3/2 Design control — primary reference U.S. Government activity |
| 2BV843 | 5/9 Secondary reference Oshkosh Corp |
| 236-1040P9 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| P18205 | 5/9 Secondary reference Koehring Co Lorain Div |
NSN 5310-00-180-0277 is a Washer,lock, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-180-0277 has 7 manufacturer part numbers on file: 541844 (Us Army Aviation and Missile Command), P40090 (Martin-Baker Aircraft Company Limited), 373-0046-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 2BV843 (Oshkosh Defense Llc), 927000-0076 (Thales Uk Limited Dba Thales Uk Ltd Avionics) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 6210-01-189-4907. 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.
NSN 5310-00-180-0277 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.