The Washer,flat, cataloged under National Stock Number 5310-01-353-8951, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Manufacturing & Supply, Llc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (CAGE 1W025); Moeller Manufacturing & Supply, Llc (CAGE 58009); Anillo Industries Llc (CAGE 10630) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-353-8951 |
| Primary Part Number | MM891-6P |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moeller Manufacturing & Supply, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 03A280-6P | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| MM891-6P PRIMARY | Moeller Manufacturing & Supply, Llc (USA) |
| AS32990-6P | Anillo Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| NS202859-6P | 5/2 Secondary reference U.S. Government activity |
| VN948YNP6-P | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-353-8951 is a Washer,flat, manufactured by Moeller Manufacturing & Supply, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-353-8951 has 3 manufacturer part numbers on file: 03A280-6P (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), MM891-6P (Moeller Manufacturing & Supply, Llc), AS32990-6P (Anillo Industries Llc).
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.