The Washer,lock, cataloged under National Stock Number 5310-01-366-8143, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-366-8143 |
| Primary Part Number | 812038-01 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.211 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.115 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 |
|---|---|
| 812038-01 PRIMARY | L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products (USA) |
| Reference | Meaning |
|---|---|
| 812038-01 | 3/9 Design control — primary reference Loral Terracom Div of Loral Corp |
NSN 5310-01-366-8143 is a Washer,lock, manufactured by L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-366-8143 has 1 manufacturer part number on file: 812038-01 (L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products).
Key specifications for 812038-01: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.211 INCHES NOMINAL IN; Material Thickness: 0.031 INCHES NOMINAL IN; Surface Treatment: OXIDE 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.