The Washer,spring Tension, cataloged under National Stock Number 5310-01-406-6326, 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 6 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-406-6326 |
| Primary Part Number | 12417503 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 45.0 MILLIMETERS NOMINAL MM |
| Material Thickness | 1.5 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Hole Diameter | 11.0 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 |
|---|---|
| 12417503 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12417503 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12417503 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 118000530009 | 5/9 Secondary reference Steyr-Daimler Puch Ag |
NSN 5310-01-406-6326 is a Washer,spring Tension, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-406-6326 has 3 manufacturer part numbers on file: 12417503 (U S Army Tank Automotive Command Amsta-Im-Mm), 12417503 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12417503 (Amz Alabama Inc.).
Key specifications for 12417503: Overall Height: 8.0 MILLIMETERS NOMINAL MM; Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 45.0 MILLIMETERS NOMINAL MM. 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.