PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1910-4-3Stud,turnlock Fastener

Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana · NSN 5325-01-030-8581 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-030-8581 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-030-8581. Primary manufacturer part number: 1910-4-3.
Features
  • Stud,turnlock Fastener — FSC 5325
  • Drive Type: SOCKET
  • Stud Head Height: 0.045 INCHES NOMINAL IN
  • Stud Shank Major Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
  • Diameter: 0.325 INCHES NOMINAL IN
  • Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE 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
Applications
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-030-8581, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-030-8581
Primary Part Number1910-4-3
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana
StatusACTIVE
Drive TypeSOCKET
Stud Head Height0.045 INCHES NOMINAL IN
Stud Shank Major Diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
Diameter0.325 INCHES NOMINAL IN
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
MaterialSTEEL COMP 8740 OVERALL
Extension Length0.361 INCHES NOMINAL IN
Grip Length0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Material Accommodated Thickness0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Turnlock Stud Head StyleFLAT FILLISTER
Turnlock Stud Shank StyleSTUD SHANK
Stud Thread Size and Series/type Designator0.164-32 UNJC
Minor Diameter0.219 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1620-01-012-143019104-3 INTERCHANGEABLE
Cap,orifice,landing Gear
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
1910-4-3 Fairchild Fasteners Europe - Vsd Gmbh (DEU)
1910-4-3 PRIMARY Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
1910-4-3 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
Related Parts
1620-01-012-1430INTERCHANGEABLE
CAP,ORIFICE,LANDING GEAR
19104-3

Frequently Asked Questions

What is NSN 5325-01-030-8581?

NSN 5325-01-030-8581 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 5325-01-030-8581?

NSN 5325-01-030-8581 has 3 cross-referenced part numbers: 1910-4-3 (Fairchild Fasteners Europe - Vsd Gmbh), 1910-4-3 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 1910-4-3 (Howmet Global Fastening Systems Inc Div Torrance Operations).

What NSN replaces 5325-01-030-8581?

There is 1 known substitute for 5325-01-030-8581: 1620-01-012-1430. Verify interchangeability with system specifications before substitution.

What are the specifications of 1910-4-3?

Key specifications for 1910-4-3: Drive Type: SOCKET; Stud Head Height: 0.045 INCHES NOMINAL IN; Stud Shank Major Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Diameter: 0.325 INCHES NOMINAL IN. 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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