The Washer,lock, cataloged under National Stock Number 5310-01-506-2082, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-506-2082 |
| Primary Part Number | 12422608-026 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM |
| Style Designator | TWO PIECE INTERLOCKING |
| Outside Diameter | 39.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 21.4 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| A210603000843 | Cnim Systemes Industriels (FRA) |
| 12422608-026 | Amz Alabama Inc. (USA) |
| NL20SP | Fabory Usa Ltd. (USA) |
| 12422608-026 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 2706-NL20SP | Nord-Lock France (FRA) |
| 12422608-026 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| GD00653775 | General Dynamics United Kingdom Ltd (GBR) |
| NL20SP | Nord-Lock Ltd (GBR) |
| NL20SP | Nord-Lock France (FRA) |
| 1OO2H0178W | Cnim Systemes Industriels (FRA) |
| 12422608-026 | Oshkosh Defense Llc (USA) |
NSN 5310-01-506-2082 is a Washer,lock, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-506-2082 has 11 manufacturer part numbers on file: A210603000843 (Cnim Systemes Industriels), 12422608-026 (Amz Alabama Inc.), NL20SP (Fabory Usa Ltd.), 12422608-026 (U S Army Tank Automotive Command Amsta-Im-Mm), 2706-NL20SP (Nord-Lock France) and 6 more.
Key specifications for 12422608-026: Overall Height: 3.40 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: ISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM; Style Designator: TWO PIECE INTERLOCKING. 7 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.