The Washer,spring Tension, cataloged under National Stock Number 5310-00-847-7244, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. 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 | 5310-00-847-7244 |
| Primary Part Number | C4B10139-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.312 INCHES NOMINAL IN |
| Material Thickness | 0.035 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.484 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 |
|---|---|
| C4B10139-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 5310-00-847-7244 is a Washer,spring Tension, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-847-7244 has 1 manufacturer part number on file: C4B10139-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4B10139-1: Overall Height: 0.100 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.312 INCHES NOMINAL IN. 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.