The Screw,machine, cataloged under National Stock Number 5305-01-646-1348, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (CAGE 1EM77); Fastener Technology Corp (CAGE 58794); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Heartland Precision Fasteners Inc (CAGE 0ZC92); Saturn Fasteners Inc (CAGE 0K6Z0) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-646-1348 |
| Primary Part Number | JSFB12E3L8 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace |
| 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 |
|---|---|
| JSFB12E3L8 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| JSFB12E3L8 | Fastener Technology Corp (USA) |
| JSFB12E3L8 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB12E3L8 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| JSFB12E3L8 PRIMARY | Saturn Fasteners Inc (USA) |
| JSFB12E3L8 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| JSFB12E3L8 | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| JSFB12E3L8 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| JSFB12E3L8 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| JSFB12E3L8 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFB12E3L8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-646-1348 is a Screw,machine, manufactured by B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-646-1348 has 9 manufacturer part numbers on file: JSFB12E3L8 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), JSFB12E3L8 (Fastener Technology Corp), JSFB12E3L8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), JSFB12E3L8 (Heartland Precision Fasteners Inc), JSFB12E3L8 (Saturn Fasteners Inc) 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.