The Screw,close Tolerance, cataloged under National Stock Number 5305-01-587-6504, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-587-6504 |
| Primary Part Number | 538R580J47 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| 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 |
|---|---|
| 538R580J47 | Fastener Technology Corp (USA) |
| 538R580J47 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 583R580J47 | 7/9 Vendor item drawing reference U.S. Government activity |
| 583R580J47 | 7/2 Vendor item drawing reference Northrop Grumman Support Services Corp |
NSN 5305-01-587-6504 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-587-6504 has 2 manufacturer part numbers on file: 538R580J47 (Fastener Technology Corp), 538R580J47 (Huck International, Inc).
Key specifications for 538R580J47: End Item Identification: B-1B AIRCRAFT. 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.