The Stud,continuous Thread, cataloged under National Stock Number 5307-01-312-1148, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-312-1148 |
| Primary Part Number | 721684-1 |
| Item Name | Stud,continuous Thread |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 6370 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 28 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL COMP 4130 OR STEEL COMP 8740 |
| Thread Series Designator | UNF 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 |
|---|---|
| 721684-1 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 721684-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 721684-1 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
| 721684-1 | 5/9 Secondary reference Fastener Technology Corp |
NSN 5307-01-312-1148 is a Stud,continuous Thread, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-312-1148 has 1 manufacturer part number on file: 721684-1 (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for 721684-1: Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS 6370 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE; Overall Length: 2.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. 9 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.