The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-939-2229, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Precision Speed Manufacturing, Llc. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-939-2229 |
| Primary Part Number | 510863 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Precision Speed Manufacturing, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Cotter Pin Hole Diameter | 0.070 INCHES NOMINAL FIRST HOLE IN |
| Thread Length | 0.625 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.325 INCHES NOMINAL NUT THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | AMS 7456 ASSN STD 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 | 0.312 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Stud End Shank Diameter | 0.374 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut End Shank Length | 0.595 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL |
| Distance Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Shoulder Length | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.110 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 510863 | Precision Speed Manufacturing, Llc (USA) |
| 510863 | Thompson Aerospace, Llc Dba Thompson Aerospace Llc (USA) |
| 5108863 | Aircraft Components and Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 510863 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 510863 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5307-00-939-2229 is a Stud,shouldered and Stepped, manufactured by Precision Speed Manufacturing, Llc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-939-2229 has 3 manufacturer part numbers on file: 510863 (Precision Speed Manufacturing, Llc), 510863 (Thompson Aerospace, Llc Dba Thompson Aerospace Llc), 5108863 (Aircraft Components and Fasteners Inc).
Key specifications for 510863: Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Cotter Pin Hole Diameter: 0.070 INCHES NOMINAL FIRST HOLE IN; Thread Length: 0.625 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.325 INCHES NOMINAL NUT THREAD IN. 25 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.