The Screw,machine, cataloged under National Stock Number 5305-01-554-4497, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hardware Specialty Co Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-554-4497 |
| Primary Part Number | CP1900055-1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hardware Specialty Co Inc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| CP1900055-1 | Hardware Specialty Co Inc (USA) |
| Reference | Meaning |
|---|---|
| S-22395 | 3/9 Design control — primary reference Nylok Llc |
| A3271386-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-554-4497 is a Screw,machine, manufactured by Hardware Specialty Co Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-554-4497 has 1 manufacturer part number on file: CP1900055-1 (Hardware Specialty Co Inc).
Key specifications for CP1900055-1: Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: MACHINE SCREW. 1 specification is 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.