The Stud,recessed and Stepped, cataloged under National Stock Number 5307-00-987-3966, 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 Microdot Products. Government technical data includes 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-987-3966 |
| Primary Part Number | 882B-4SD937 |
| Item Name | Stud,recessed and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Microdot Products |
| Status | ACTIVE |
| Thread Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | RECESSED AND STEPPED |
| Diameter of Recessed Portion of Shank | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Length of Recessed Portion of Shank | 0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Thread Quantity Per Inch | 28 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 |
|---|---|
| 882B-4SD937 PRIMARY | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| Reference | Meaning |
|---|---|
| S246-15-715 | 5/9 Secondary reference Stanley Engineered Fastening Llc |
| 882B-4SD0937 | 5/9 Secondary reference Stanley Engineered Fastening Llc |
| 882B-4SD937 | 3/9 Design control — primary reference Stanley Engineered Fastening Llc |
| 882B-4SDH0937 | 5/9 Secondary reference Stanley Engineered Fastening Llc |
| S246-15-715A | 5/9 Secondary reference Stanley Engineered Fastening Llc |
NSN 5307-00-987-3966 is a Stud,recessed and Stepped, manufactured by Howmet Global Fastening Systems Inc. Div Microdot Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-987-3966 has 1 manufacturer part number on file: 882B-4SD937 (Howmet Global Fastening Systems Inc. Div Microdot Products).
Key specifications for 882B-4SD937: Thread Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM STUD THREAD IN; Style Designator: RECESSED AND STEPPED; Overall Length: 1.394 INCHES NOMINAL IN. 15 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.