The Screw,machine, cataloged under National Stock Number 5305-01-627-4576, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona. The record lists 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,machine |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (CAGE 1GP79); Heartland Precision Fasteners Inc (CAGE 0ZC92); Howmet Global Fastening Systems Inc Div City of Industry Operations (CAGE 1RC86); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-627-4576 |
| Primary Part Number | JSFB34V4-20 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona |
| 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 |
|---|---|
| JSFB34V4-20 PRIMARY | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| JSFB34V4-20 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| JSFB34V4-20 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| JSFB34V4-20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB34V4-20 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| JSFB34V4-20 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| JSFB34V4-20 PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| JSFB34V4-20 PRIMARY | Fastener Technology Corp (USA) |
| JSFB34V4-20 PRIMARY | Saturn Fasteners Inc (USA) |
| JSFB34V4-20 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| JSFB34V4-20 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFB34V4-20 | 3/2 Design control — primary reference U.S. Government activity |
| JSFB34 | D/9 Drawing number reference only U.S. Government activity |
NSN 5305-01-627-4576 is a Screw,machine, manufactured by Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-627-4576 has 10 manufacturer part numbers on file: JSFB34V4-20 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), JSFB34V4-20 (Heartland Precision Fasteners Inc), JSFB34V4-20 (Howmet Global Fastening Systems Inc Div City of Industry Operations), JSFB34V4-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), JSFB34V4-20 (Sps Technologies, Llc Dba PB Fasteners) and 5 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.