The Washer,spring Tension, cataloged under National Stock Number 5310-00-044-4785, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-044-4785 |
| Primary Part Number | 634061 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring |
| Status | ACTIVE |
| Surface Finish | 10.0 MICROINCHES BOTTOM |
| Surface Finish | 10.0 MICROINCHES TOP |
| Heat Treatment | AS FABRICATED |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM |
| Material Document and Classification | AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.453 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN |
| Material Thickness | 0.036 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Material | STEEL COMP 631 OVERALL |
| Hole Diameter | 1.354 INCHES MINIMUM AND 1.358 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 |
|---|---|
| 634061 PRIMARY | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| Reference | Meaning |
|---|---|
| 634061 | 5/9 Secondary reference Harvard Precision Components Inc |
| 634061 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 634061 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-044-4785 is a Washer,spring Tension, manufactured by Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-044-4785 has 1 manufacturer part number on file: 634061 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring).
Key specifications for 634061: Surface Finish: 10.0 MICROINCHES BOTTOM; Surface Finish: 10.0 MICROINCHES TOP; Overall Height: 0.070 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED. 9 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.