The Washer,lock, cataloged under National Stock Number 5310-01-672-0787, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nord-Lock Ltd. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-672-0787 |
| Primary Part Number | NL3/4 INCH SS |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nord-Lock Ltd |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Hole Diameter | 20.07 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| NL3/4 INCH SS | Nord-Lock Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 13049239 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| NL3/4 INCH SS | 3/9 Design control — primary reference Nord Lock Inc |
NSN 5310-01-672-0787 is a Washer,lock, manufactured by Nord-Lock Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-672-0787 has 1 manufacturer part number on file: NL3/4 INCH SS (Nord-Lock Ltd).
Key specifications for NL3/4 INCH SS: Overall Length: 30.7 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: WASHER, WEDGE-LOCK; End Item Identification: HOWITZER, 155MM, M777E1 MM; Material: STEEL OVERALL. 2 specifications are documented in the U.S. Government catalog.
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.