The Stud,plain, cataloged under National Stock Number 5307-01-446-6175, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-446-6175 |
| Primary Part Number | 100D178X26A |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-286, CLASS A HF-A-AH OR CD-A-AH FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 1.000 INCHES STUD THREAD IN |
| Nominal Thread Size | 1.000 INCHES NUT THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3ACMLP1AA8 STUD THREAD |
| Thread Quantity Per Inch | 8 STUD THREAD |
| Material | NICKEL ALLOY K-500 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 249789C | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 100D178X26A PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| W-249792 ITEM NO. 178A | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Y-100D178X26A | 5/9 Secondary reference U.S. Government activity |
| W-249792 ITEM NO. 178A | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-446-6175 is a Stud,plain, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-446-6175 has 2 manufacturer part numbers on file: 249789C (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 100D178X26A (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 100D178X26A: Material Document and Classification: QQ-N-286, CLASS A HF-A-AH OR CD-A-AH FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 5.750 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD; Thread Direction: RIGHT-HAND NUT THREAD. 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.