The Stud,continuous Thread, cataloged under National Stock Number 5307-01-503-9439, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 3 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 | 5307-01-503-9439 |
| Primary Part Number | 8890-920 COMP B ITEM 15 |
| Item Name | Stud,continuous Thread |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Material Document and Classification | ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.750 INCHES STUD THREAD IN |
| 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 |
|---|---|
| 8890-920 COMP B ITEM 15 PRIMARY | Velan Valve Corp. (USA) |
NSN 5307-01-503-9439 is a Stud,continuous Thread, manufactured by Velan Valve Corp., classified under FSC 5307, Studs. Status: active.
NSN 5307-01-503-9439 has 1 manufacturer part number on file: 8890-920 COMP B ITEM 15 (Velan Valve Corp.).
Key specifications for 8890-920 COMP B ITEM 15: Material Document and Classification: ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 4.000 INCHES NOMINAL IN; Nominal Thread Size: 0.750 INCHES STUD THREAD IN; Special Features: USED ON 10 INCH PRESSURE SEAL GATE VALVE IN. 3 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.