The Washer,spring Tension, cataloged under National Stock Number 5310-01-113-4057, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics. Government technical data includes 7 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 | 5310-01-113-4057 |
| Primary Part Number | 69-4545 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290 CL1 TY V FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-B-750 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.008 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.348 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 |
|---|---|
| 69-4545 PRIMARY | Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics (USA) |
NSN 5310-01-113-4057 is a Washer,spring Tension, manufactured by Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-113-4057 has 1 manufacturer part number on file: 69-4545 (Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics).
Key specifications for 69-4545: Overall Height: 0.094 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-N-290 CL1 TY V FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-B-750 COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.750 INCHES NOMINAL IN. 7 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.