The Washer,lock, cataloged under National Stock Number 5310-01-381-3281, 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. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-381-3281 |
| Primary Part Number | 12414560-018 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
|---|---|
| 12414560-018 | Amz Alabama Inc. (USA) |
| 12414560-018 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12414560-018 | Oshkosh Defense Llc (USA) |
| 12414560-018 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-01-381-3281 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 5310-01-381-3281 has 4 manufacturer part numbers on file: 12414560-018 (Amz Alabama Inc.), 12414560-018 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12414560-018 (Oshkosh Defense Llc), 12414560-018 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12414560-018: Special Features: MATERIAL IS SPRING STEEL IAW DIN 267, PART 26, FINISH IS ZINC PLATED IAW DIN 267, PART 9, HOLE DIA IS MIN 8.1, 8.5 MAX MILLIMETERS, THICKNESS IS 1.6 MILLIMETERS, FOR USE WITH THREAD SIZE M8 MM; Part Name Assigned by Controlling Agency: WASHER, SPRING LOCK; End Item Identification: MRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 0 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.