The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-441-1406, 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 Torrance Operations. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-441-1406 |
| Primary Part Number | 1928-5-8 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc Div Torrance Operations |
| Status | ACTIVE |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Material Accommodated Thickness | 0.486 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| Extension Length | 0.361 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 8740 OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Drive Type | SOCKET |
| Securing Device Type | RING |
| Stud Thread Size and Series/type Designator | 0.190-32 UNF |
| Diameter | 0.441 INCHES NOMINAL IN |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Minor Diameter | 0.272 INCHES NOMINAL IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Stud Shank Major Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1928-5-8 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| C3198-5-8 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| C3198-5-8 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 1928-5-8 PRIMARY | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| 1928-5-8 PRIMARY | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
NSN 5325-00-441-1406 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Torrance Operations, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-441-1406 has 5 cross-referenced part numbers: 1928-5-8 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), C3198-5-8 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), C3198-5-8 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 1928-5-8 (Howmet Global Fastening Systems Inc Div Torrance Operations), 1928-5-8 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana).
There are 2 known substitutes for 5325-00-441-1406: 4730-00-050-4204, 4730-00-909-8627. Verify interchangeability with system specifications before substitution.
Key specifications for 1928-5-8: Turnlock Stud Head Style: FLAT COUNTERSUNK; Material Accommodated Thickness: 0.486 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN; Extension Length: 0.361 INCHES NOMINAL IN; Material Document and Classification: MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.