The Stud,locked in, cataloged under National Stock Number 5307-01-566-6879, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Nd Defense Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5307-01-566-6879 |
| Primary Part Number | 1820516C1 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Thread Length | 16.0 MILLIMETERS NOMINAL STUD THREAD MM |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 8 STUD THREAD |
| Thread Series Designator | M 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 5307-01-566-6879 is a Stud,locked in, manufactured by Nd Defense Llc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-566-6879 has 2 manufacturer part numbers on file: 1820516C1 (Longhorn Regional Service Center Llc Dba Kyrish Government Group), 1820516C1 (Nd Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-576-0166. Verify interchangeability with system specifications before substitution.
Key specifications for 1820516C1: Thread Length: 16.0 MILLIMETERS NOMINAL STUD THREAD MM; Overall Length: 44.0 MILLIMETERS NOMINAL MM; Thread Direction: RIGHT-HAND STUD THREAD; Surface Treatment: PHOSPHATE OVERALL. 5 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.