The Washer,lock, cataloged under National Stock Number 5310-01-031-5410, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allmetal Screw Products Corp. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-031-5410 |
| Primary Part Number | HIGH COLLAR,SIZE 10,K-MONEL |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allmetal Screw Products Corp |
| Status | ACTIVE |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.294 INCHES MAXIMUM IN |
| Material Thickness | 0.047 INCHES MINIMUM IN |
| Minimum Tensile Strength | 155000 POUNDS PER SQUARE INCH LBS |
| Material | NICKEL ALLOY OVERALL |
| Hole Diameter | 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM 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 |
|---|---|
| HIGH COLLAR,SIZE 10,K-MONEL PRIMARY | Allmetal Screw Products Corp (USA) |
NSN 5310-01-031-5410 is a Washer,lock, manufactured by Allmetal Screw Products Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-031-5410 has 1 manufacturer part number on file: HIGH COLLAR,SIZE 10,K-MONEL (Allmetal Screw Products Corp).
Key specifications for HIGH COLLAR,SIZE 10,K-MONEL: Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.294 INCHES MAXIMUM IN. 8 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.