The Screw,close Tolerance, cataloged under National Stock Number 5305-01-655-7489, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Saturn Fasteners Inc. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Saturn Fasteners Inc (CAGE 0K6Z0); B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (CAGE 1EM77); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-655-7489 |
| Primary Part Number | JSFB23-3-11D |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Saturn 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 |
|---|---|
| JSFB23-3-11D PRIMARY | Saturn Fasteners Inc (USA) |
| JSFB23-3-11D PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| JSFB23-3-11D PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB23-3-11D PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| JSFB23-3-11D PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| JSFB23-3-11D PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| JSFB23-3-11D PRIMARY | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| JSFB23 | D/9 Drawing number reference only U.S. Government activity |
| JSFB23-3-11D | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFB23-3-11D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-655-7489 is a Screw,close Tolerance, manufactured by Saturn Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-655-7489 has 7 manufacturer part numbers on file: JSFB23-3-11D (Saturn Fasteners Inc), JSFB23-3-11D (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), JSFB23-3-11D (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), JSFB23-3-11D (Fastener Innovation Technology, Inc. Dba F I T), JSFB23-3-11D (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 2 more.
2 possible matches (shared part number, not a government interchangeability claim): 5306-01-666-0001, 5306-01-666-0005. Verify interchangeability with system specifications before substitution.
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.