The Screw,machine, cataloged under National Stock Number 5305-01-646-1352, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Screw,machine |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Heartland Precision Fasteners Inc (CAGE 0ZC92); Fastener Technology Corp (CAGE 58794); Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (CAGE 1GP79); Saturn Fasteners Inc (CAGE 0K6Z0); B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (CAGE 1EM77) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-646-1352 |
| Primary Part Number | JSFB12E3-7 |
| 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 |
|---|---|
| JSFB12E3-7 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| JSFB12E3-7 | Fastener Technology Corp (USA) |
| JSFB12E3-7 | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| JSFB12E3-7 PRIMARY | Saturn Fasteners Inc (USA) |
| JSFB12E3-7 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| JSFB12E3-7 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| JSFB12E3-7 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB12E3-7 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| JSFB12E3-7 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| JSFB12E3-7 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFB12E3-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-646-1352 is a Screw,machine, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-646-1352 has 9 manufacturer part numbers on file: JSFB12E3-7 (Heartland Precision Fasteners Inc), JSFB12E3-7 (Fastener Technology Corp), JSFB12E3-7 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), JSFB12E3-7 (Saturn Fasteners Inc), JSFB12E3-7 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace) and 4 more.
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.