The Washer,spring Tension, cataloged under National Stock Number 5310-01-266-2950, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Smalley Steel Ring Co.. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | General Dynamics Robotic Systems Inc Div General Dynamics Land Systems Inc. (CAGE 0RK79); Smalley Steel Ring Co. (CAGE 51814) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-266-2950 |
| Primary Part Number | SSR-0187-S17 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Smalley Steel Ring Co. |
| Status | ACTIVE |
| 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 |
|---|---|
| 101437-1 | General Dynamics Robotic Systems Inc Div General Dynamics Land Systems Inc. (USA) |
| SSR-0187-S17 PRIMARY | Smalley Steel Ring Co. (USA) |
| Reference | Meaning |
|---|---|
| 101437-1 | 7/2 Vendor item drawing reference Walker Power Systems, Inc. Dba Tiernay Turbines |
NSN 5310-01-266-2950 is a Washer,spring Tension, manufactured by Smalley Steel Ring Co., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-266-2950 has 2 manufacturer part numbers on file: 101437-1 (General Dynamics Robotic Systems Inc Div General Dynamics Land Systems Inc.), SSR-0187-S17 (Smalley Steel Ring Co.).
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.