The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-445-4171, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-445-4171 |
| Primary Part Number | 40S5-9 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.188 INCHES NOMINAL IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.708 INCHES NOMINAL IN |
| Eyelet Outside Diameter | 0.420 INCHES NOMINAL IN |
| Diameter | 0.381 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Assembly Style | STUD ASSEMBLY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3D0100-9AC | The Boeing Company (USA) |
| 40S5-9 | Fairchild Fasteners Europe - Camloc Gmbh (DEU) |
| BACS21X9R | The Boeing Company Div Defense (USA) |
| 9159807-2 | Us Army Aviation and Missile Command (USA) |
| 1142005-9 | Monadnock Company, the Dba Lisi Aerospace (USA) |
| 40S5-9 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 4055-9 | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| BACS21ED9R | The Boeing Company Div Defense (USA) |
| 4055-9 | Fairchild Fasteners Uk Ltd (GBR) |
| 5L.3741.005.29 | Hensoldt Sensors Gmbh Div Seps (DEU) |
NSN 5325-00-445-4171 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-445-4171 has 10 cross-referenced part numbers: 3D0100-9AC (The Boeing Company), 40S5-9 (Fairchild Fasteners Europe - Camloc Gmbh), BACS21X9R (The Boeing Company Div Defense), 9159807-2 (Us Army Aviation and Missile Command), 1142005-9 (Monadnock Company, the Dba Lisi Aerospace) and 5 more.
There are 5 known substitutes for 5325-00-445-4171: 5940-00-088-1940, 3455-00-243-2176, 5325-01-191-3029 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40S5-9: Surface Treatment: CADMIUM OVERALL; Material: STEEL OVERALL; Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.188 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.