The Washer,spring Tension, cataloged under National Stock Number 5310-01-078-2371, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-078-2371 |
| Primary Part Number | 797-7990-001 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 580-0244-000,FSCM 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | AAUB AND AAUB AND ABKV AND ABKV AND ABPXABPX |
| Material Document and Classification | MIL-S-25043 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.236 INCHES MINIMUM AND 2.236 INCHES MINIMUM AND 2.252 INCHES MAXIMUM2.252 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.056 INCHES MAXIMUM0.056 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 200000 POUNDS PER SQUARE INCH200000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 631 OVERALL |
| Hole Diameter | 1.933 INCHES MINIMUM AND 1.933 INCHES MINIMUM AND 1.946 INCHES MAXIMUM1.946 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 797-7990-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5310-01-078-2371 is a Washer,spring Tension, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-078-2371 has 1 manufacturer part number on file: 797-7990-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 797-7990-001: Overall Height: 0.269 INCHES MINIMUM AND 0.269 INCHES MINIMUM AND 0.289 INCHES MAXIMUM0.289 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 580-0244-000,FSCM 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Criticality Code Justification: AAUB AND AAUB AND ABKV AND ABKV AND ABPXABPX; Material Document and Classification: MIL-S-25043 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.