The Stud,plain, cataloged under National Stock Number 5307-00-533-8490, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-533-8490 |
| Primary Part Number | 29981P12 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.615 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.521 INCHES MINIMUM NUT THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +0.2933 TO 0.2959 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Material | STEEL COMP 8740 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNS 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 |
|---|---|
| 29981P12 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 29981P-012 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 29981P-012 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5307-00-533-8490 is a Stud,plain, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-533-8490 has 2 manufacturer part numbers on file: 29981P12 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 29981P-012 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 29981P12: Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.615 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.521 INCHES MINIMUM NUT THREAD IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 17 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.