The Washer,spring Tension, cataloged under National Stock Number 5310-01-293-7950, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-293-7950 |
| Primary Part Number | 12364251 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.910 INCHES MINIMUM AND 4.920 INCHES MAXIMUM IN |
| Material Thickness | 0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Material | STEEL COMP 1075 OVERALL |
| Hole Diameter | 2.405 INCHES MINIMUM AND 2.415 INCHES MAXIMUM 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 |
|---|---|
| 12364251 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-01-293-7950 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 5310-01-293-7950 has 1 manufacturer part number on file: 12364251 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-481-7057. Verify interchangeability with system specifications before substitution.
Key specifications for 12364251: Overall Height: 0.185 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 4.910 INCHES MINIMUM AND 4.920 INCHES MAXIMUM IN. 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.