The Stud,shouldered, cataloged under National Stock Number 5307-01-211-7535, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 17 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-211-7535 |
| Primary Part Number | 123872 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Thread Length | 1.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 1.750 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | AISI1113 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | LEFT-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 |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Material | STEEL COMP 1213 |
| Distance Across Flats | 0.562 INCHES NOMINAL IN |
| Shoulder Length | 0.375 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT 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 |
|---|---|
| 123872 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 54565 PIECE 56 | Lake Shore Systems, Inc. (USA) |
NSN 5307-01-211-7535 is a Stud,shouldered, manufactured by Lake Shore Systems, Inc., classified under FSC 5307, Studs. Status: active.
NSN 5307-01-211-7535 has 2 manufacturer part numbers on file: 123872 (Lake Shore Systems, Inc.), 54565 PIECE 56 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-303-5120. Verify interchangeability with system specifications before substitution.
Key specifications for 123872: Thread Length: 1.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 1.750 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED; Material Document and Classification: AISI1113 ASSN STD SINGLE MATERIAL RESPONSE. 17 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.