The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-049-3686, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-049-3686 |
| Primary Part Number | 3506-46-Z3BT |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Stud Head Height | 0.087 INCHES NOMINAL IN |
| Stud Shank Major Diameter | 0.213 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.460 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3506-46-Z3B | Southco Inc (USA) |
| 3506-46-Z3BT PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| PF35-46CBB | 5/9 Secondary reference Southco Inc |
| 5325PL0724424 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C4252-5 | 5/2 Secondary reference U.S. Government activity |
| PF3-1-2-46X545 | 5/9 Secondary reference Southco Inc |
| 5325PL1805072 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| PF35-46ZBB | 5/9 Secondary reference Southco Inc |
| 3506-46-Z38 | 5/9 Secondary reference Southco Inc |
NSN 5325-01-049-3686 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-049-3686 has 2 manufacturer part numbers on file: 3506-46-Z3B (Southco Inc), 3506-46-Z3BT (Southco Inc).
1 possible match (shared part number, not a government interchangeability claim): 4930-01-365-1006. Verify interchangeability with system specifications before substitution.
Key specifications for 3506-46-Z3BT: Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Stud Head Height: 0.087 INCHES NOMINAL IN. 8 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.