The Washer,flat, cataloged under National Stock Number 5310-01-134-8744, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (CAGE 51506); Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (CAGE 55566) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-134-8744 |
| Primary Part Number | 11781308-5 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| 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 |
|---|---|
| 11781308-5 | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| 11781308-5 | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5610-122-31 | 3/2 Design control — primary reference U.S. Government activity |
| 11781308 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 5610-122-040 | 5/9 Secondary reference U.S. Government activity |
| 11781308-5 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 5610-122-40 | 5/2 Secondary reference U.S. Government activity |
| 7141246-5 | 5/9 Secondary reference Litton Systems Inc Guidance and Control Systems Div |
| 7141246-5 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
NSN 5310-01-134-8744 is a Washer,flat, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-134-8744 has 2 manufacturer part numbers on file: 11781308-5 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation), 11781308-5 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, 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.