The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-439-3846, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-439-3846 |
| Primary Part Number | 2252-58 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| 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 |
|---|---|
| 2252-58 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| 2252-58 | 5/9 Secondary reference Cpi Essco Inc |
NSN 5310-01-439-3846 is a Washer,shouldered and Recessed, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-439-3846 has 1 manufacturer part number on file: 2252-58 (U S Dept of Transportation Federal Aviation Administration).
Key specifications for 2252-58: End Item Identification: ARSR4. 0 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.