The Stud,recessed, cataloged under National Stock Number 5307-00-997-1932, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Cessna Aircraft Co Mccauley Accessory Div. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-997-1932 |
| Primary Part Number | B2990 |
| Item Name | Stud,recessed |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Cessna Aircraft Co Mccauley Accessory Div |
| Status | ACTIVE |
| Thread Length | 0.940 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.986 INCHES NOMINAL NUT THREAD IN |
| Style Designator | RECESSED |
| Diameter of Recessed Portion of Shank | 0.450 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Length of Recessed Portion of Shank | 0.099 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 20 NUT THREAD |
| 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 |
|---|---|
| B2990 PRIMARY | Cessna Aircraft Co Mccauley Accessory Div (USA) |
NSN 5307-00-997-1932 is a Stud,recessed, manufactured by Cessna Aircraft Co Mccauley Accessory Div, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-997-1932 has 1 manufacturer part number on file: B2990 (Cessna Aircraft Co Mccauley Accessory Div).
Key specifications for B2990: Thread Length: 0.940 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.986 INCHES NOMINAL NUT THREAD IN; Style Designator: RECESSED; Overall Length: 2.025 INCHES NOMINAL IN. 16 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.