The Washer,spring Tension, cataloged under National Stock Number 5310-00-459-7749, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-459-7749 |
| Primary Part Number | 4G53911-101A |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ST+58-001 TY 2,CL 2 FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | SPRING TEMPER |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | MIL-S-7947 COND 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.160 INCHES NOMINAL IN |
| Material Thickness | 0.139 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 3.270 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 |
|---|---|
| 4G53911-101A | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4G53911-101A | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 4G53911-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-459-7749 is a Washer,spring Tension, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-459-7749 has 1 manufacturer part number on file: 4G53911-101A (Goodrich Corporation).
Key specifications for 4G53911-101A: Overall Height: 0.175 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ST+58-001 TY 2,CL 2 FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Heat Treatment: SPRING TEMPER; Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM. 10 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.