PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31284Setscrew

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 5305-01-024-2439 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-024-2439 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-024-2439. Primary manufacturer part number: 31284.
Features
  • Setscrew — FSC 5305
  • Thread Quantity Per Inch: 28
  • Material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: 99643-SPS 209 METHOD 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Thread Series Designator: UNF
  • Width Across Flats: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-024-2439, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-024-2439
Primary Part Number31284
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Thread Quantity Per Inch28
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and Classification99643-SPS 209 METHOD 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Width Across Flats0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Fastener Length1.430 INCHES NOMINAL IN
Head StyleHEADLESS (SETSCREW)
Thread Class3A A
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Thread Length1.305 INCHES MINIMUM AND 1.430 INCHES MAXIMUM IN
Point StyleCONE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1630-00-075-19763-1284 INTERCHANGEABLE
Wheel,landing Gear
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5935-00-328-027913153456-1 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
3455-00-516-504019841 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4730-01-284-891231284 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Paccar Winch Inc Dba Paccar Winch Division
6610-01-382-193631284 INTERCHANGEABLE
Bar,retard Support
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
31284 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
1630-00-075-1976INTERCHANGEABLE
WHEEL,LANDING GEAR
3-1284
5935-00-328-0279INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
13153456-1
3455-00-516-5040INTERCHANGEABLE
REAMER,MACHINE
19841
4730-01-284-8912INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
31284
6610-01-382-1936INTERCHANGEABLE
BAR,RETARD SUPPORT
31284

Frequently Asked Questions

What is NSN 5305-01-024-2439?

NSN 5305-01-024-2439 is a Setscrew, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-024-2439?

NSN 5305-01-024-2439 has 1 cross-referenced part number: 31284 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 5305-01-024-2439?

There are 5 known substitutes for 5305-01-024-2439: 1630-00-075-1976, 5935-00-328-0279, 3455-00-516-5040 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31284?

Key specifications for 31284: Thread Quantity Per Inch: 28; Material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL; Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: 99643-SPS 209 METHOD 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 14 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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