The Washer,lock, cataloged under National Stock Number 5310-01-080-6631, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Danfoss Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-080-6631 |
| Primary Part Number | 29601-12 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Danfoss Inc |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM53.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.586 INCHES MAXIMUM0.586 INCHES MAXIMUM IN |
| Material Thickness | 0.078 INCHES NOMINAL0.078 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.319 INCHES MINIMUM0.319 INCHES MINIMUM IN |
| 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 |
|---|---|
| 29601-12 PRIMARY | Danfoss Inc (USA) |
| Reference | Meaning |
|---|---|
| 29601-12 | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
NSN 5310-01-080-6631 is a Washer,lock, manufactured by Danfoss Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-080-6631 has 1 manufacturer part number on file: 29601-12 (Danfoss Inc).
Key specifications for 29601-12: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM53.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.586 INCHES MAXIMUM0.586 INCHES MAXIMUM IN; Material Thickness: 0.078 INCHES NOMINAL0.078 INCHES NOMINAL IN. 6 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.