The Stud,plain, cataloged under National Stock Number 5307-00-753-8668, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-00-753-8668 |
| Primary Part Number | 7538668 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Length | 0.562 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.562 INCHES MAXIMUM NUT THREAD IN |
| Hardness Rating | 12.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +0.3375 TO 0.3395 INCHES STUD THREAD IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL COMP 1035 |
| 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 |
|---|---|
| 7538668 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 802CX510 | Oshkosh Defense Llc (USA) |
| 379423-14 | Parker Hannifin Corporation Div Chelsea Products Division (USA) |
| Reference | Meaning |
|---|---|
| 585B1 | 5/9 Secondary reference Diamond Reo Truck Co |
| 802CX510 | 5/9 Secondary reference Oshkosh Corp |
| 378478-10 | 5/9 Secondary reference Parker Hannifin Corporation Div Chelsea Products Division |
| 378478-10 | 5/9 Secondary reference Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products |
| 379423-14 | 5/9 Secondary reference Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products |
NSN 5307-00-753-8668 is a Stud,plain, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-753-8668 has 3 manufacturer part numbers on file: 7538668 (U S Army Tank Automotive Command Amsta-Im-Mm), 802CX510 (Oshkosh Defense Llc), 379423-14 (Parker Hannifin Corporation Div Chelsea Products Division).
Key specifications for 7538668: Thread Length: 0.562 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.562 INCHES MAXIMUM NUT THREAD IN; Hardness Rating: 12.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM; Thread Pitch Diameters: +0.3375 TO 0.3395 INCHES STUD THREAD IN. 15 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.