The Stud,continuous Thread, cataloged under National Stock Number 5307-01-445-4778, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-445-4778 |
| Primary Part Number | 1347H71-172 |
| Item Name | Stud,continuous Thread |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.164 INCHES STUD THREAD IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD 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 |
|---|---|
| 1347H71-172 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| Reference | Meaning |
|---|---|
| 8442C18H02 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 8-32 X 1.25LG | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5307-01-445-4778 is a Stud,continuous Thread, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-445-4778 has 1 manufacturer part number on file: 1347H71-172 (Northrop Grumman Systems Corporation Div Marine Systems).
Key specifications for 1347H71-172: Surface Treatment Document and Classification: QQ-P-35 TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 1.250 INCHES NOMINAL IN; Nominal Thread Size: 0.164 INCHES STUD THREAD IN. 5 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.