PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1920-5-3Stud,turnlock Fastener

Howmet Global Fastening Systems Inc. Div Tridair Products · NSN 5325-00-930-3284 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-930-3284 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-930-3284. Primary manufacturer part number: 1920-5-3.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Stud Head Height: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 8740 OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Turnlock Stud Shank Style: STUD SHANK
  • Stud Shank Major Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Diameter: 0.400 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-930-3284, 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 Tridair Products. 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: Active.

Technical Specifications
ParameterValue
NSN5325-00-930-3284
Primary Part Number1920-5-3
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc. Div Tridair Products
StatusACTIVE
Stud Head Height0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 8740 OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Turnlock Stud Shank StyleSTUD SHANK
Stud Shank Major Diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Diameter0.400 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Turnlock Stud Head StyleFLAT FILLISTER
Grip Length0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Extension Length0.361 INCHES NOMINAL IN
Stud Thread Size and Series/type Designator0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
Material Accommodated Thickness0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Drive TypeSOCKET
Minor Diameter0.272 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-495-0144192053 INTERCHANGEABLE
Nipple,pipe
Jenny Products, Inc
4730-00-735-9435100-0819 INTERCHANGEABLE
Strainer Element,sediment
Aerodri Corp Keco Industries Inc Div
3431-01-508-5990192053 INTERCHANGEABLE
Drag Shield
Miller Electric Mfg. Llc
Cross-Reference Index
Part NumberManufacturer
1920-5-3 PRIMARY Howmet Global Fastening Systems Inc. Div Tridair Products (USA)
1920-5-3 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
C392-5-3 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
PAF20-5-3 Sps Technologies, Llc Dba PB Fasteners (USA)
PAF20-5-3 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
1920-5-3 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
Related Parts
4730-00-495-0144INTERCHANGEABLE
NIPPLE,PIPE
192053
4730-00-735-9435INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
100-0819
3431-01-508-5990INTERCHANGEABLE
DRAG SHIELD
192053

Frequently Asked Questions

What is NSN 5325-00-930-3284?

NSN 5325-00-930-3284 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-930-3284?

NSN 5325-00-930-3284 has 6 cross-referenced part numbers: 1920-5-3 (Howmet Global Fastening Systems Inc. Div Tridair Products), 1920-5-3 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), C392-5-3 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), PAF20-5-3 (Sps Technologies, Llc Dba PB Fasteners), PAF20-5-3 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana) and 1 more.

What NSN replaces 5325-00-930-3284?

There are 3 known substitutes for 5325-00-930-3284: 4730-00-495-0144, 4730-00-735-9435, 3431-01-508-5990. Verify interchangeability with system specifications before substitution.

What are the specifications of 1920-5-3?

Key specifications for 1920-5-3: Stud Head Height: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN; Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 8740 OVERALL; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 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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