The Washer,spring Tension, cataloged under National Stock Number 5310-00-616-8430, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 6 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 | 5310-00-616-8430 |
| Primary Part Number | 6168430 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | ASTM A505 COND HRA ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.720 INCHES MINIMUM AND 4.722 INCHES MAXIMUM IN |
| Material Thickness | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Material | STEEL COMP 6150 OVERALL |
| Hole Diameter | 1.660 INCHES MINIMUM AND 1.662 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 |
|---|---|
| 6168430 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-00-616-8430 is a Washer,spring Tension, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-616-8430 has 1 manufacturer part number on file: 6168430 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6168430: Overall Height: 0.360 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: ASTM A505 COND HRA ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 4.720 INCHES MINIMUM AND 4.722 INCHES MAXIMUM IN. 6 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.