The Screw,close Tolerance, cataloged under National Stock Number 5305-01-646-1891, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. The record lists 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc Div City of Industry Operations (CAGE 1RC86); Fastener Technology Corp (CAGE 58794); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Houston Precision Fasteners I Lp (CAGE 1VSL7) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-646-1891 |
| Primary Part Number | JSFB22V5-7 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| 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 |
|---|---|
| JSFB22V5-7 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| JSFB22V5-7 | Fastener Technology Corp (USA) |
| JSFB22V5-7 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB22V5-7 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| JSFB22V5-7 | Houston Precision Fasteners I Lp (USA) |
| JSFB22V5-7 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| JSFB22V5-7 PRIMARY | Saturn Fasteners Inc (USA) |
| JSFB22V5-7 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| JSFB22V5-7 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFB22V5-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-646-1891 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-646-1891 has 8 manufacturer part numbers on file: JSFB22V5-7 (Howmet Global Fastening Systems Inc Div City of Industry Operations), JSFB22V5-7 (Fastener Technology Corp), JSFB22V5-7 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), JSFB22V5-7 (Sps Technologies, Llc Dba PB Fasteners), JSFB22V5-7 (Houston Precision Fasteners I Lp) and 3 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.