The Washer,spring Tension, cataloged under National Stock Number 5310-01-389-6352, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastbolt Corp. Dba Fastbolt Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-389-6352 |
| Primary Part Number | 1956340CRW-8 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastbolt Corp. Dba Fastbolt Corp |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Material Thickness | 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN |
| Material | BERYLLIUM COPPER (USE CUB000) OVERALL |
| Hole Diameter | 0.176 INCHES MINIMUM AND 0.181 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 |
|---|---|
| 1956340CRW-8 | Fastbolt Corp. Dba Fastbolt Corp (USA) |
| Reference | Meaning |
|---|---|
| SM-B-696623-7 | 3/2 Design control — primary reference U.S. Government activity |
| 195-634-8 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-389-6352 is a Washer,spring Tension, manufactured by Fastbolt Corp. Dba Fastbolt Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-389-6352 has 1 manufacturer part number on file: 1956340CRW-8 (Fastbolt Corp. Dba Fastbolt Corp).
Key specifications for 1956340CRW-8: Overall Height: 0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Outside Diameter: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN; Material Thickness: 0.009 INCHES MINIMUM AND 0.011 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.