The Washer,lock, cataloged under National Stock Number 5310-01-433-0941, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amz Alabama Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-433-0941 |
| Primary Part Number | 4397004-006 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.487 INCHES NOMINAL IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.260 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 |
|---|---|
| 4397004-006 | Amz Alabama Inc. (USA) |
| 12484862-006 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4397004-006 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
| 12484862 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 456720104608 | 6/9 Informative reference only Ncb Hungary (honvedsegi Egyseges Termekkod) |
| 4397004-006 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Land & Armaments L.p. |
NSN 5310-01-433-0941 is a Washer,lock, manufactured by Amz Alabama Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-433-0941 has 2 manufacturer part numbers on file: 4397004-006 (Amz Alabama Inc.), 12484862-006 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 4397004-006: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.487 INCHES NOMINAL IN; Material Thickness: 0.062 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.