The Washer,lock, cataloged under National Stock Number 5310-00-451-0142, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tyco Electronics 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-451-0142 |
| Primary Part Number | 2098-5030-31 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tyco Electronics Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-G-45204,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.396 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN |
| Material Thickness | 0.013 INCHES NOMINAL IN |
| Surface Treatment | GOLD OVERALL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.267 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 |
|---|---|
| 2098-5030-31 | Tyco Electronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 580R763H02 | 7/2 Vendor item drawing reference U.S. Government activity |
| RF03073-1 | 5/9 Secondary reference U.S. Government activity |
| 03073-1 | 3/2 Design control — primary reference U.S. Government activity |
| 17219-33 | 5/9 Secondary reference Itt Cannon |
| 5199-21-1 | 5/9 Secondary reference Tyco Electronics Corp |
NSN 5310-00-451-0142 is a Washer,lock, manufactured by Tyco Electronics Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-451-0142 has 1 manufacturer part number on file: 2098-5030-31 (Tyco Electronics Corp).
Key specifications for 2098-5030-31: Surface Treatment Document and Classification: MIL-G-45204,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.396 INCHES MINIMUM AND 0.408 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.