PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS222-31Screw,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-282-3230 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-282-3230 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-282-3230. Primary manufacturer part number: NAS222-31.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNF
  • Head Diameter: 0.464 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
  • Fastener Length: 1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
  • Head Style: ROUND
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-282-3230, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-282-3230
Primary Part NumberNAS222-31
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Thread Series DesignatorUNF
Head Diameter0.464 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
Fastener Length1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
Head StyleROUND
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Thread Class3A A
Nominal Thread Diameter0.250 INCHES IN
Thread Length0.430 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
Screw Surface TreatmentCADMIUM
Head Height0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Screw Material Document and ClassificationMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch28
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Screw MaterialSTEEL COMP 8630
Internal Drive StyleCROSS RECESS TYPE 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-813-6404 INTERCHANGEABLE
Coil,radio Frequency
8030-01-069-304622231 INTERCHANGEABLE
Sealing Compound
Loctite Corp
5331-01-097-8242803-1385721-8-4 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
4820-01-142-793322231-100 INTERCHANGEABLE
Valve,plug
Hydraulics International, Inc. Dba Hydraulics International Inc
2990-01-174-416422231 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
6640-01-249-6657222-3-1 INTERCHANGEABLE
Holder,adsorption Tube
Skc Inc
6130-01-567-72280215628-1 INTERCHANGEABLE
Power Supply,uninterruptible
Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific
5970-01-619-696522231 INTERCHANGEABLE
Insulation Sleeving,electrical
Waytek Inc
Cross-Reference Index
Part NumberManufacturer
NAS222-31 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
222-31 Naval Aircraft Standards
Related Parts
5950-00-813-6404INTERCHANGEABLE
COIL,RADIO FREQUENCY
8030-01-069-3046INTERCHANGEABLE
SEALING COMPOUND
22231
5331-01-097-8242INTERCHANGEABLE
O-RING
803-1385721-8-4
4820-01-142-7933INTERCHANGEABLE
VALVE,PLUG
22231-100
2990-01-174-4164INTERCHANGEABLE
MUFFLER,EXHAUST
22231
6640-01-249-6657INTERCHANGEABLE
HOLDER,ADSORPTION TUBE
222-3-1
6130-01-567-7228INTERCHANGEABLE
POWER SUPPLY,UNINTERRUPTIBLE
0215628-1
5970-01-619-6965INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
22231

Frequently Asked Questions

What is NSN 5305-00-282-3230?

NSN 5305-00-282-3230 is a Screw,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-282-3230?

NSN 5305-00-282-3230 has 2 cross-referenced part numbers: NAS222-31 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 222-31 (Naval Aircraft Standards).

What NSN replaces 5305-00-282-3230?

There are 8 known substitutes for 5305-00-282-3230: 5950-00-813-6404, 8030-01-069-3046, 5331-01-097-8242 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS222-31?

Key specifications for NAS222-31: Thread Series Designator: UNF; Head Diameter: 0.464 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN; Fastener Length: 1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN; Head Style: ROUND. 17 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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