The Stud,plain, cataloged under National Stock Number 5307-01-409-1721, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Bek, Inc. Dba Level 1 Fasteners. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5307-01-409-1721 |
| Primary Part Number | 522C074-106 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Bek, Inc. Dba Level 1 Fasteners |
| Status | ACTIVE |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 1.120 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Material | STEEL UNS K14072 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| 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 |
|---|---|
| 522C074-106 | Bek, Inc. Dba Level 1 Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 522C074-106 | 3/2 Design control — primary reference U.S. Government activity |
| 1130E15FN32 | 5/2 Secondary reference U.S. Government activity |
NSN 5307-01-409-1721 is a Stud,plain, manufactured by Bek, Inc. Dba Level 1 Fasteners, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-409-1721 has 1 manufacturer part number on file: 522C074-106 (Bek, Inc. Dba Level 1 Fasteners).
Key specifications for 522C074-106: Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 1.120 INCHES NOMINAL NUT THREAD IN; Material Document and Classification: ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 2.190 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN. 14 specifications are 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.