The Stud,locked in, cataloged under National Stock Number 5307-00-018-5855, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Cef Industries, Llc Dba Cef Industries Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-018-5855 |
| Primary Part Number | C7088-79-2 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Cef Industries, Llc Dba Cef Industries Inc |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Thread Length | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | LOCKED IN |
| Distance From Serrated Portion to End of Stud Thread | 0.315 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Distance From Serrated Portion to Stud End | 0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN |
| Locking Feature | RING, LOCK KEYED |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X |
| Thread Series Designator | UNF NUT THREAD |
| 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 |
|---|---|
| C7088-79-2 PRIMARY | Cef Industries, Llc Dba Cef Industries Inc (USA) |
| AT-608-1010 | Airtronics, Llc (USA) |
NSN 5307-00-018-5855 is a Stud,locked in, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-018-5855 has 2 manufacturer part numbers on file: C7088-79-2 (Cef Industries, Llc Dba Cef Industries Inc), AT-608-1010 (Airtronics, Llc).
Key specifications for C7088-79-2: Distance From Serrated Portion to Nut End: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Thread Length: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM NUT THREAD IN; Style Designator: LOCKED IN. 18 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.