The Washer,spring Tension, cataloged under National Stock Number 5310-01-446-9396, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-446-9396 |
| Primary Part Number | 11438727-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | QQ-C-533 172 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.011 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.875 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 |
|---|---|
| 11438727-1 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-01-446-9396 is a Washer,spring Tension, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-446-9396 has 1 manufacturer part number on file: 11438727-1 (Us Army Aviation and Missile Command).
Key specifications for 11438727-1: Overall Height: 0.250 INCHES NOMINAL IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Material Document and Classification: QQ-C-533 172 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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.