The Washer,lock, cataloged under National Stock Number 5310-01-672-3078, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Mfg. Company, Llc Div Aircraft. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Moeller Mfg. Company, Llc Div Aircraft (CAGE 08244) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-672-3078 |
| Primary Part Number | SW32021 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moeller Mfg. Company, Llc Div Aircraft |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SW32021 PRIMARY | Moeller Mfg. Company, Llc Div Aircraft (USA) |
| Reference | Meaning |
|---|---|
| 5310PL2190061 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2ZAV42318-0001 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-672-3078 is a Washer,lock, manufactured by Moeller Mfg. Company, Llc Div Aircraft, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-672-3078 has 1 manufacturer part number on file: SW32021 (Moeller Mfg. Company, Llc Div Aircraft).
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.