The Washer,spring Tension, cataloged under National Stock Number 5310-01-381-0048, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Hunt Valve Company, Inc. (CAGE 11859) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-381-0048 |
| Primary Part Number | A48514MBF |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| D48666GD ITEM 11 | Hunt Valve Company, Inc. (USA) |
| A48514MBF PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A48514MBF | 3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
| D48666GD ITEM 11 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 5310-01-381-0048 is a Washer,spring Tension, manufactured by Hunt Valve Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-381-0048 has 2 manufacturer part numbers on file: D48666GD ITEM 11 (Hunt Valve Company, Inc.), A48514MBF (Hunt Valve Company, Inc.).
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.