The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-550-9596, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-550-9596 |
| Primary Part Number | 5S1-5 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.080 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.162 INCHES MINIMUM AND 0.171 INCHES MAXIMUM 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 |
|---|---|
| 5S1-5 | Fairchild Fasteners Europe - Camloc Gmbh (DEU) |
| 5S1-5 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 5S5-5 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5325-00-550-9596 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-550-9596 has 2 manufacturer part numbers on file: 5S1-5 (Fairchild Fasteners Europe - Camloc Gmbh), 5S1-5 (Howmet Global Fastening Systems Inc Div Camloc Products).
2 possible matches (shared part number, not a government interchangeability claim): 5325-00-594-5795, 5325-01-181-4076. Verify interchangeability with system specifications before substitution.
Key specifications for 5S1-5: Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.080 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN. 9 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.