The Stud,welding, cataloged under National Stock Number 5307-01-180-5138, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-180-5138 |
| Primary Part Number | 118B433H01 |
| Item Name | Stud,welding |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Thread Length | 0.681 INCHES NOMINAL NUT THREAD IN |
| Style Designator | WELDING |
| Material Document and Classification | QQ-S-763,COND A,FINISH CD OR CR FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Head Length | 0.200 INCHES NOMINAL IN |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Material | STEEL COMP 303 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Head Diameter | 0.312 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 |
|---|---|
| 118B433H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 118B433H01 | 3/9 Design control — primary reference U.S. Government activity |
| 118B433H01 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-180-5138 is a Stud,welding, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-180-5138 has 1 manufacturer part number on file: 118B433H01 (Northrop Grumman Support Services Corp).
Key specifications for 118B433H01: Thread Length: 0.681 INCHES NOMINAL NUT THREAD IN; Style Designator: WELDING; Material Document and Classification: QQ-S-763,COND A,FINISH CD OR CR FED SPEC SINGLE MATERIAL RESPONSE; 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.