PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1920-4-3Stud,turnlock Fastener

Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana · NSN 5325-00-936-9688 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-936-9688 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-936-9688. Primary manufacturer part number: 1920-4-3.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Turnlock Stud Shank Style: STUD SHANK
  • Material: STEEL COMP 8740 OVERALL
  • Stud Shank Major Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
  • 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 Accommodated Thickness: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
  • Diameter: 0.325 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-936-9688, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-936-9688
Primary Part Number1920-4-3
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana
StatusCANCELLED
Turnlock Stud Shank StyleSTUD SHANK
MaterialSTEEL COMP 8740 OVERALL
Stud Shank Major Diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Accommodated Thickness0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Diameter0.325 INCHES NOMINAL IN
Stud Head Height0.0194 INCHES MINIMUM AND 0.0240 INCHES MAXIMUM IN
Grip Length0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Drive TypeSOCKET
Stud Thread Size and Series/type Designator0.164-32 UNJC
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Extension Length0.361 INCHES NOMINAL IN
Minor Diameter0.219 INCHES NOMINAL IN
Turnlock Stud Head StyleFLAT FILLISTER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-196-1481 INTERCHANGEABLE
Nipple,pipe
5315-00-298-1845192043 INTERCHANGEABLE
Pin,shoulder,headless
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5360-00-454-9125192043 INTERCHANGEABLE
Spring,governor
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
1920-4-3 PRIMARY Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
1920-4-3 Fairchild Fasteners Europe - Vsd Gmbh (DEU)
C392-4-3 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
PAF20-4-3 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
PAF20-4-3 Sps Technologies, Llc Dba PB Fasteners (USA)
1920-4-3 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
Related Parts
4730-00-196-1481INTERCHANGEABLE
NIPPLE,PIPE
5315-00-298-1845INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
192043
5360-00-454-9125INTERCHANGEABLE
SPRING,GOVERNOR
192043

Frequently Asked Questions

What is NSN 5325-00-936-9688?

NSN 5325-00-936-9688 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: cancelled.

What are the part numbers for NSN 5325-00-936-9688?

NSN 5325-00-936-9688 has 6 cross-referenced part numbers: 1920-4-3 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 1920-4-3 (Fairchild Fasteners Europe - Vsd Gmbh), C392-4-3 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), PAF20-4-3 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), PAF20-4-3 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.

What NSN replaces 5325-00-936-9688?

There are 3 known substitutes for 5325-00-936-9688: 4730-00-196-1481, 5315-00-298-1845, 5360-00-454-9125. Verify interchangeability with system specifications before substitution.

What are the specifications of 1920-4-3?

Key specifications for 1920-4-3: Turnlock Stud Shank Style: STUD SHANK; Material: STEEL COMP 8740 OVERALL; Stud Shank Major Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-936-9688 still in active supply?

NSN 5325-00-936-9688 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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