The Stud,continuous Thread, cataloged under National Stock Number 5307-01-049-7450, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-049-7450 |
| Primary Part Number | 1 3/8-8UN-2A X 10 3/8 TYIVL1 |
| Item Name | Stud,continuous Thread |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Criticality Code Justification | ZZZX |
| Features Provided | CASEHARDENED |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 1.375 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Nondefinitive Spec/std Data | 4 TYPE |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 8 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL |
| Thread Series Designator | UN 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 | S |
| Part Number | Manufacturer |
|---|---|
| 1 3/8-8UN-2A X 10 3/8 TYIVL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222 ASTM-A193 GRB16L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-DTL-1222 ASTM-A193 GRB16 | 4/1 Identification reference U.S. Government activity |
| 1 3/8-8UN-2A X 10 3/8 TYIV | 4/1 Identification reference U.S. Government activity |
NSN 5307-01-049-7450 is a Stud,continuous Thread, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-049-7450 has 1 manufacturer part number on file: 1 3/8-8UN-2A X 10 3/8 TYIVL1 (Naval Inventory Control Point Mechanicsburg).
4 possible matches (shared part number, not a government interchangeability claim): 5307-01-093-7990, 5307-01-241-9331, 5307-01-347-4380. Verify interchangeability with system specifications before substitution.
Key specifications for 1 3/8-8UN-2A X 10 3/8 TYIVL1: Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; Criticality Code Justification: ZZZX; Overall Length: 10.375 INCHES NOMINAL IN; Features Provided: CASEHARDENED. 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.