The Washer,spring Tension, cataloged under National Stock Number 5310-00-005-4379, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems (operations) Limited. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-005-4379 |
| Primary Part Number | 3326-7011-001 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| Outside Diameter | 0.301 INCHES NOMINAL IN |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.150 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 |
|---|---|
| 3326-7011-001 PRIMARY | Bae Systems (operations) Limited (GBR) |
| 5310-99-9469795 | Page Aerospace Limited (GBR) |
| 3326-7011-001 | Bae Systems Integrated Defense Solutions Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5310-99-9469795 | 6/9 Informative reference only U.S. Government activity |
NSN 5310-00-005-4379 is a Washer,spring Tension, manufactured by Bae Systems (operations) Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-005-4379 has 3 manufacturer part numbers on file: 3326-7011-001 (Bae Systems (operations) Limited), 5310-99-9469795 (Page Aerospace Limited), 3326-7011-001 (Bae Systems Integrated Defense Solutions Inc.).
Key specifications for 3326-7011-001: Overall Height: 0.032 INCHES NOMINAL IN; Outside Diameter: 0.301 INCHES NOMINAL IN; Material Thickness: 0.010 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 4 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.