The Washer,lock, cataloged under National Stock Number 5310-01-662-1455, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Therma-Tech Engineering Inc Dba Thermatech Ar Lintern. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-662-1455 |
| Primary Part Number | 016123050 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Material Thickness | 0.068 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.258 INCHES NOMINAL 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 |
|---|---|
| 016123050 PRIMARY | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern (USA) |
| Reference | Meaning |
|---|---|
| 4290152 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-662-1455 is a Washer,lock, manufactured by Therma-Tech Engineering Inc Dba Thermatech Ar Lintern, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-662-1455 has 1 manufacturer part number on file: 016123050 (Therma-Tech Engineering Inc Dba Thermatech Ar Lintern).
Key specifications for 016123050: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.500 INCHES NOMINAL IN; Material Thickness: 0.068 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL. 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.