The Screw,close Tolerance, cataloged under National Stock Number 5305-01-646-1908, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. The record lists 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Fastener Technology Corp (CAGE 58794); Saturn Fasteners Inc (CAGE 0K6Z0); Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-646-1908 |
| Primary Part Number | JSFB23-4-11 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 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 |
|---|---|
| JSFB23-4-11 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB23-4-11 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| JSFB23-4-11 | Fastener Technology Corp (USA) |
| JSFB23-4-11 PRIMARY | Saturn Fasteners Inc (USA) |
| JSFB23-4-11 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| JSFB23-4-11 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| JSFB23-4-11 PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| JSFB23-4-11 | 3/2 Design control — primary reference U.S. Government activity |
| JSFB23-4-11 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5305-01-646-1908 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-646-1908 has 7 manufacturer part numbers on file: JSFB23-4-11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), JSFB23-4-11 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), JSFB23-4-11 (Fastener Technology Corp), JSFB23-4-11 (Saturn Fasteners Inc), JSFB23-4-11 (Fastener Innovation Technology, Inc. Dba F I T) and 2 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.