The Stud,shouldered, cataloged under National Stock Number 5307-01-521-8919, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Pre-Mach Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-521-8919 |
| Primary Part Number | 525110-1 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Pre-Mach Inc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 525110-1 | Pre-Mach Inc (USA) |
| 525110-1 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 525110-1 | Bmf Corp. Dba Vegas Fastener Manufacturing (USA) |
| 525110-1 | Nassau Tool Works, Inc (USA) |
| 525110-1 | Honematic Machine Corporation Dba Pcx Aerosystems - Boylston Div Pcx Aerosystems - Boylston (USA) |
| 525110-1 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 525110-1 | Duhadaway Tool & Die Shop Inc (USA) |
| 525110-1 | Lone Star Components, Inc. (USA) |
| 525110-1 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| 525110-1 | Airtronics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 525110-1 | 5/9 Secondary reference Ligi Tool & Engineering, Inc. |
| 525110-1 | 3/2 Design control — primary reference U.S. Government activity |
| 525110-1 | 5/9 Secondary reference Computa-Base-Machining, Inc. |
| 525110-1 | 5/9 Secondary reference Jet Tech International Inc |
| 525110-1 | 5/9 Secondary reference Quality Socket Screw Manufacturing Corp |
NSN 5307-01-521-8919 is a Stud,shouldered, manufactured by Pre-Mach Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-521-8919 has 10 manufacturer part numbers on file: 525110-1 (Pre-Mach Inc), 525110-1 (Sps Technologies, Llc Dba PB Fasteners), 525110-1 (Bmf Corp. Dba Vegas Fastener Manufacturing), 525110-1 (Nassau Tool Works, Inc), 525110-1 (Honematic Machine Corporation Dba Pcx Aerosystems - Boylston Div Pcx Aerosystems - Boylston) and 5 more.
Key specifications for 525110-1: Criticality Code Justification: FEAT; Special Features: ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIOUS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSSONNEL; End Item Identification: FIGHTER AIRCRAFT (F8). 1 specification is documented in the U.S. Government catalog.
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.