The Stud,self-Locking, cataloged under National Stock Number 5307-01-129-6592, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-129-6592 |
| Primary Part Number | 55844-12 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 55844,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.164 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 32 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| Head Diameter | 0.250 INCHES NOMINAL 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 |
|---|---|
| 55844-12 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 55844-12 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-129-6592 is a Stud,self-Locking, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-129-6592 has 1 manufacturer part number on file: 55844-12 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 55844-12: Surface Treatment Document and Classification: 55844,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Style Designator: SELF-LOCKING; Overall Length: 0.500 INCHES NOMINAL IN. 11 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.