The Screw,close Tolerance, cataloged under National Stock Number 5305-01-655-7517, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. The record lists 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Heartland Precision Fasteners Inc (CAGE 0ZC92); Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (CAGE 1GP79); Howmet Global Fastening Systems Inc Div City of Industry Operations (CAGE 1RC86); B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (CAGE 1EM77) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-655-7517 |
| Primary Part Number | JSFB15V5-21 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 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 |
|---|---|
| JSFB15V5-21 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| JSFB15V5-21 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| JSFB15V5-21 PRIMARY | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| JSFB15V5-21 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| JSFB15V5-21 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| JSFB15V5-21 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB15V5-21 PRIMARY | Fastener Technology Corp (USA) |
| JSFB15V5-21 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| JSFB15V5-21 PRIMARY | Saturn Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| JSFB15 | D/9 Drawing number reference only U.S. Government activity |
| JSFB15V5-21 | 3/2 Design control — primary reference U.S. Government activity |
| JSFB15V5-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-655-7517 is a Screw,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-655-7517 has 9 manufacturer part numbers on file: JSFB15V5-21 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), JSFB15V5-21 (Heartland Precision Fasteners Inc), JSFB15V5-21 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), JSFB15V5-21 (Howmet Global Fastening Systems Inc Div City of Industry Operations), JSFB15V5-21 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace) and 4 more.
4 possible matches (shared part number, not a government interchangeability claim): 5305-01-655-7521, 5306-01-665-9985, 5306-01-665-9986. 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.