The Washer,spring Tension, cataloged under National Stock Number 5310-01-385-0745, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Drs Network & Imaging Systems, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-385-0745 |
| Primary Part Number | 3502-10-78-0541 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Drs Network & Imaging Systems, Llc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Material Thickness | 0.010 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.198 INCHES MINIMUM AND 0.208 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 |
|---|---|
| 3502-10-78-0541 PRIMARY | Drs Network & Imaging Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3502-10-78-0541 | 5/9 Secondary reference Itt Bell and Gossett Domestic Pump Operation |
NSN 5310-01-385-0745 is a Washer,spring Tension, manufactured by Drs Network & Imaging Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-385-0745 has 1 manufacturer part number on file: 3502-10-78-0541 (Drs Network & Imaging Systems, Llc).
Key specifications for 3502-10-78-0541: Overall Height: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Outside Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Material Thickness: 0.010 INCHES MAXIMUM IN. 5 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.