The Stud,recessed, cataloged under National Stock Number 5307-01-045-0208, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-045-0208 |
| Primary Part Number | CAV-3-13 |
| Item Name | Stud,recessed |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.322 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.440 INCHES MINIMUM AND 0.480 INCHES MAXIMUM STUD THREAD IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED |
| Diameter of Recessed Portion of Shank | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.190 INCHES STUD THREAD IN |
| Length of Recessed Portion of Shank | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| Thread Series Designator | UNJC 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 |
NSN 5307-01-045-0208 is a Stud,recessed, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-045-0208 has 3 manufacturer part numbers on file: 6876049 (Allison Transmission Inc Dba Allison Transmission, Inc), CAV-3-13 (Fairchild Fasteners Europe - Camloc Gmbh), CAV-3-13 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CAV-3-13: Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.322 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.440 INCHES MINIMUM AND 0.480 INCHES MAXIMUM STUD THREAD IN; Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM. 19 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.