The Screw,machine, cataloged under National Stock Number 5305-01-624-3243, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Heartland Precision Fasteners Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Screw,machine |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Heartland Precision Fasteners Inc (CAGE 0ZC92); 3-V Fastener Co., Inc. (CAGE 1ER65); Howmet Global Fastening Systems Inc Div City of Industry Operations (CAGE 1RC86) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-624-3243 |
| Primary Part Number | BACS12HN3U6 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Heartland Precision Fasteners 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 |
|---|---|
| BACS12HN3U6 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| BACS12HN3U6 PRIMARY | 3-V Fastener Co., Inc. (USA) |
| BACS12HN3U6 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACS12HN3U6 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5305-01-624-3243 is a Screw,machine, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-624-3243 has 3 manufacturer part numbers on file: BACS12HN3U6 (Heartland Precision Fasteners Inc), BACS12HN3U6 (3-V Fastener Co., Inc.), BACS12HN3U6 (Howmet Global Fastening Systems Inc Div City of Industry Operations).
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.