The Stud,continuous Thread, cataloged under National Stock Number 5307-01-445-5491, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-445-5491 |
| Primary Part Number | 563-6404329-68 |
| Item Name | Stud,continuous Thread |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 20 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 563-6404329-68 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 563-7409379-68 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 211035689 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5307-01-445-5491 is a Stud,continuous Thread, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-445-5491 has 1 manufacturer part number on file: 563-6404329-68 (Naval Sea Systems Command).
Key specifications for 563-6404329-68: Overall Length: 1.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Nominal Thread Size: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN; Thread Class: 3A LOCATION NOT OTHERWISE SPECIFIED A. 6 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.