The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-869-4290, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-869-4290 |
| Primary Part Number | 1928-4-4 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana |
| Status | ACTIVE |
| Stud Thread Size and Series/type Designator | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| Securing Device Type | RING |
| Drive Type | SOCKET |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL COMP 8740 OVERALL |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Material Document and Classification | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Minor Diameter | 0.219 INCHES NOMINAL IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.361 INCHES NOMINAL IN |
| Diameter | 0.358 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.197 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| Stud Shank Major Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C3198-4-4 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 1928-4-4 PRIMARY | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| 1928-4-4 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| C3198-4-4 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
NSN 5325-00-869-4290 is a Stud,turnlock Fastener, manufactured by Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-869-4290 has 4 cross-referenced part numbers: C3198-4-4 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 1928-4-4 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 1928-4-4 (Howmet Global Fastening Systems Inc Div Torrance Operations), C3198-4-4 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
There is 1 known substitute for 5325-00-869-4290: 8315-01-442-4376. Verify interchangeability with system specifications before substitution.
Key specifications for 1928-4-4: Stud Thread Size and Series/type Designator: 0.164-32 UNIFIED NATIONAL COARSE (UNC); Securing Device Type: RING; Drive Type: SOCKET; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.