The Stud,plain, cataloged under National Stock Number 5307-00-897-5187, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-897-5187 |
| Primary Part Number | 204-075-161-5 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 3.500 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | MIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP 4130 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD 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 |
|---|---|
| 204-075-161-5 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| 204-075-161-005 | 5/2 Secondary reference U.S. Government activity |
| 204-075-161-5-22331 | 5/1 Secondary reference Wheatland Machine L.l.c. |
| 204-075-161-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-897-5187 is a Stud,plain, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-897-5187 has 1 manufacturer part number on file: 204-075-161-5 (Leonardo Spa Helicopters Division - Production Site).
Key specifications for 204-075-161-5: Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 3.500 INCHES NOMINAL NUT THREAD IN; Material Document and Classification: MIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 7.120 INCHES NOMINAL 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.