PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33321-226Screw,machine

Avox Systems Inc Dba Avox Systems Inc · NSN 5305-00-144-3911 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-144-3911 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-144-3911. Primary manufacturer part number: 33321-226.
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.086 INCHES MAXIMUM IN
  • Head Style: BUTTON
  • Head Diameter: 0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
  • Screw Material: STEEL OR STEEL COMP 1010
  • Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Screw Surface Treatment: CADMIUM
  • Screw Material Document and Classification: QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-144-3911, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-144-3911
Primary Part Number33321-226
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusCANCELLED
Head Height0.086 INCHES MAXIMUM IN
Head StyleBUTTON
Head Diameter0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
Screw MaterialSTEEL OR STEEL COMP 1010
Fastener Length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Screw Surface TreatmentCADMIUM
Screw Material Document and ClassificationQQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
Thread Quantity Per Inch32
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.138 INCHES IN
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Thread Length0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-984-4983MS35206-226 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
33321-226 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
0.13832UNC2ATY3STY7C American National Standards Institute Incorporated Dba American National Standards Institute (USA)
AN526-632R4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
00-2469 Avox Systems Inc Dba Avox Systems Inc (USA)
FFS92ANDTYPE3ANDSTYLE7C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-984-4983INTERCHANGEABLE
SCREW,MACHINE
MS35206-226

Frequently Asked Questions

What is NSN 5305-00-144-3911?

NSN 5305-00-144-3911 is a Screw,machine, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-144-3911?

NSN 5305-00-144-3911 has 5 cross-referenced part numbers: 33321-226 (Avox Systems Inc Dba Avox Systems Inc), 0.13832UNC2ATY3STY7C (American National Standards Institute Incorporated Dba American National Standards Institute), AN526-632R4 (Aeronautical Standards Group Dept of Navy and Air Force), 00-2469 (Avox Systems Inc Dba Avox Systems Inc), FFS92ANDTYPE3ANDSTYLE7C (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-144-3911?

There is 1 known substitute for 5305-00-144-3911: 5305-00-984-4983. Verify interchangeability with system specifications before substitution.

What are the specifications of 33321-226?

Key specifications for 33321-226: Head Height: 0.086 INCHES MAXIMUM IN; Head Style: BUTTON; Head Diameter: 0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN; Screw Material: STEEL OR STEEL COMP 1010. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-144-3911 still in active supply?

NSN 5305-00-144-3911 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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