The Fastener Assembly,turnlock, cataloged under National Stock Number 5325-01-416-4181, 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 Tridair Products. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-416-4181 |
| Primary Part Number | FX10-1555-2A |
| Item Name | Fastener Assembly,turnlock |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Receptacle Overall Length | 1.140 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE2CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.221 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Center to Center Distance Between Mounting Holes | 0.873 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Mounting Style | PLAIN |
| Diameter | 0.525 INCHES MAXIMUM IN |
| Turnlock Receptacle Style | RECEPTACLE |
| Receptacle Width | 0.625 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Receptacle Height | 0.550 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Grip Length | 0.870 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 |
|---|---|
| FX10-1555-2A PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 5325-013-2 | Aidc/aerospace Industrial Development Corp. Dba Aidc |
| 80S01-2-1 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| MS17731-2 | 5/1 Secondary reference U.S. Government activity |
NSN 5325-01-416-4181 is a Fastener Assembly,turnlock, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-416-4181 has 3 manufacturer part numbers on file: FX10-1555-2A (Howmet Global Fastening Systems Inc. Div Tridair Products), 5325-013-2 (Aidc/aerospace Industrial Development Corp. Dba Aidc), 80S01-2-1 (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for FX10-1555-2A: Receptacle Overall Length: 1.140 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE2CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.221 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 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.