The Washer,lock, cataloged under National Stock Number 5310-01-507-0186, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curt Manufacturing Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-507-0186 |
| Primary Part Number | 100030 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curt Manufacturing Llc |
| Status | ACTIVE |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 12422442-11 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12422442-11 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 100030 PRIMARY | Curt Manufacturing Llc (USA) |
| 12422442-11 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12422442 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-507-0186 is a Washer,lock, manufactured by Curt Manufacturing Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-507-0186 has 4 manufacturer part numbers on file: 12422442-11 (U S Army Tank Automotive Command Amsta-Im-Mm), 12422442-11 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 100030 (Curt Manufacturing Llc), 12422442-11 (Amz Alabama Inc.).
Key specifications for 100030: Special Features: STANDARD 5/16 LOCK WASHER; Surface Treatment: ZINC OVERALL; End Item Identification: 2320-01-353-9098; ADD-ON ARMOR, FMTV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Material: STEEL OVERALL. 2 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.