The Stud,recessed and Stepped, cataloged under National Stock Number 5307-00-012-0122, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-012-0122 |
| Primary Part Number | 572076 |
| Item Name | Stud,recessed and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Thread Length | 1.000 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.125 INCHES NOMINAL STUD THREAD IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| 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 | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD 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 COMP 410 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.065 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 |
|---|---|
| 572076 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| HD12576-02 | Harcosemco Llc Dba Harcosemco (USA) |
| 572076 | Thompson Aerospace, Llc Dba Thompson Aerospace Llc (USA) |
| Reference | Meaning |
|---|---|
| 572266 | 5/9 Secondary reference Harcosemco Llc Dba Harcosemco |
| 572076 | 5/9 Secondary reference Valco Co Government Sales Office |
NSN 5307-00-012-0122 is a Stud,recessed and Stepped, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-012-0122 has 3 manufacturer part numbers on file: 572076 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), HD12576-02 (Harcosemco Llc Dba Harcosemco), 572076 (Thompson Aerospace, Llc Dba Thompson Aerospace Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5307-00-070-2412, 6130-00-116-3662. Verify interchangeability with system specifications before substitution.
Key specifications for 572076: Thread Length: 1.000 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.125 INCHES NOMINAL STUD THREAD IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE. 16 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.