PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1928-4-11Stud,turnlock Fastener

Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana · NSN 5325-00-548-6963 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-548-6963 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-548-6963. Primary manufacturer part number: 1928-4-11.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Accommodated Thickness: 0.634 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN
  • Drive Type: SOCKET
  • Stud Thread Size and Series/type Designator: 0.164-32 UNIFIED NATIONAL COARSE (UNC)
  • Turnlock Stud Shank Style: STUD SHANK
  • Grip Length: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
  • Minor Diameter: 0.219 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-548-6963, 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 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.

Technical Specifications
ParameterValue
NSN5325-00-548-6963
Primary Part Number1928-4-11
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana
StatusACTIVE
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Accommodated Thickness0.634 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN
Drive TypeSOCKET
Stud Thread Size and Series/type Designator0.164-32 UNIFIED NATIONAL COARSE (UNC)
Turnlock Stud Shank StyleSTUD SHANK
Grip Length0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
Minor Diameter0.219 INCHES NOMINAL IN
Stud Shank Major Diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
MaterialSTEEL COMP 8740 OVERALL
Material Document and ClassificationMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Diameter0.358 INCHES NOMINAL IN
Extension Length0.361 INCHES NOMINAL IN
Turnlock Stud Head StyleFLAT COUNTERSUNK
Securing Device TypeRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-450-2356190007P1 INTERCHANGEABLE
Semiconductor Device,diode
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3040-00-498-6914C3198 INTERCHANGEABLE
Gearshaft,spur
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
Cross-Reference Index
Part NumberManufacturer
1928-4-11 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
C3198-4-11 Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA)
1928-4-11 PRIMARY Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
C3198 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
C3198-4-11 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5961-00-450-2356INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
190007P1
3040-00-498-6914INTERCHANGEABLE
GEARSHAFT,SPUR
C3198

Frequently Asked Questions

What is NSN 5325-00-548-6963?

NSN 5325-00-548-6963 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.

What are the part numbers for NSN 5325-00-548-6963?

NSN 5325-00-548-6963 has 5 cross-referenced part numbers: 1928-4-11 (Howmet Global Fastening Systems Inc Div Torrance Operations), C3198-4-11 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 1928-4-11 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), C3198 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), C3198-4-11 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 5325-00-548-6963?

There are 2 known substitutes for 5325-00-548-6963: 5961-00-450-2356, 3040-00-498-6914. Verify interchangeability with system specifications before substitution.

What are the specifications of 1928-4-11?

Key specifications for 1928-4-11: Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.634 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN; Drive Type: SOCKET; Stud Thread Size and Series/type Designator: 0.164-32 UNIFIED NATIONAL COARSE (UNC). 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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