The Stud,stepped, cataloged under National Stock Number 5307-00-083-8873, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-083-8873 |
| Primary Part Number | 550624-3 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Shank Diameter | 0.090 INCHES NOMINAL IN |
| Thread Length | 0.680 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.172 INCHES NOMINAL NUT THREAD IN |
| Style Designator | STEPPED |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.138 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.190 INCHES STUD THREAD IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Material | STEEL COMP 202 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 634 OR STEEL COMP 403 OR STEEL COMP 405 OR STEEL COMP 410 OR STEEL COMP 414 OR STEEL COMP 416 OR STEEL COMP 416SE OR STEEL COMP 420 OR STEEL COMP 430 OR STEEL COMP 430F OR STEEL COMP 430FSE OR STEEL COMP 431 OR STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OR STEEL COMP 440F OR STEEL COMP 440FSE OR STEEL COMP 446 A |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT 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 |
|---|---|
| 550624-3 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5307-00-083-8873 is a Stud,stepped, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-083-8873 has 1 manufacturer part number on file: 550624-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 550624-3: Shank Diameter: 0.090 INCHES NOMINAL IN; Thread Length: 0.680 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.172 INCHES NOMINAL NUT THREAD IN; Style Designator: STEPPED. 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.