The Washer,spring Tension, cataloged under National Stock Number 5310-01-078-3982, 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 8 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 | 5310-01-078-3982 |
| Primary Part Number | 777-3381-001 |
| 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 | 580-0034-00 FSCM 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-C-533 TEMPER A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.490 INCHES MINIMUM AND 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM0.510 INCHES MAXIMUM IN |
| Material Thickness | 0.0064 INCHES MINIMUM AND 0.0064 INCHES MINIMUM AND 0.0076 INCHES MAXIMUM0.0076 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE OVERALL |
| Minimum Tensile Strength | 148000 POUNDS PER SQUARE INCH148000 POUNDS PER SQUARE INCH LBS |
| Material | BERYLLIUM OVERALL |
| Hole Diameter | 0.193 INCHES MINIMUM AND 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM0.213 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 |
|---|---|
| 777-3381-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5310-01-078-3982 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 5310-01-078-3982 has 1 manufacturer part number on file: 777-3381-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 777-3381-001: Overall Height: 0.085 INCHES MINIMUM AND 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM0.095 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 580-0034-00 FSCM 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-C-533 TEMPER A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.490 INCHES MINIMUM AND 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM0.510 INCHES MAXIMUM IN. 8 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.