PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90031Screw,cap,socket Head

L3 Technologies, Inc. Div L3 Keo · NSN 5305-01-266-7358 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-266-7358 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-266-7358. Primary manufacturer part number: 90031.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Internal Drive Style: HEXAGON
  • Head Height: 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
  • Material: PLASTIC OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Fastener Length: 2.000 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-266-7358, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-266-7358
Primary Part Number90031
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Nominal Thread Diameter0.164 INCHES IN
Internal Drive StyleHEXAGON
Head Height0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
MaterialPLASTIC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length2.000 INCHES NOMINAL IN
Thread Quantity Per Inch32
Head StyleFLAT CHAMFER
Head Diameter0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Class2A A
Thread Length0.880 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
Width Across Flats0.141 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-095-1876AA11348A INTERCHANGEABLE
Valve,directional Flow Control
Eaton Aerospace, Llc Dba Jackson South
5999-00-171-315090031 INTERCHANGEABLE
Contact,electrical
Telemechanics Inc
3110-00-227-3248MS51961-21 INTERCHANGEABLE
Bearing,roller,needle
American Society for Testing and Materials Dba Astm International
5340-00-710-997190031 INTERCHANGEABLE
Mount,resilient,utility
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
6150-00-890-3047420-53-3666 INTERCHANGEABLE
Lead Assembly,electrical
Raytheon Company Dba Raytheon
4920-01-299-029490031 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
4920-01-373-5969900-31 INTERCHANGEABLE
Arm,pitot Test Adapter
Nav-Aids Ltd
1005-01-459-2616900-31 INTERCHANGEABLE
Bar Actuator
Daisy Manufacturing Company Dba Daisy Manufacturing Co
5840-01-479-0196 INTERCHANGEABLE
Radar Set Subassembly
6120-01-496-1999 INTERCHANGEABLE
Power Supply
Cross-Reference Index
Part NumberManufacturer
90031 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
101A900318 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
4820-00-095-1876INTERCHANGEABLE
VALVE,DIRECTIONAL FLOW CONTROL
AA11348A
5999-00-171-3150INTERCHANGEABLE
CONTACT,ELECTRICAL
90031
3110-00-227-3248INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS51961-21
5340-00-710-9971INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
90031
6150-00-890-3047INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
420-53-3666
4920-01-299-0294INTERCHANGEABLE
TEST PROGRAM SET
90031
4920-01-373-5969INTERCHANGEABLE
ARM,PITOT TEST ADAPTER
900-31
1005-01-459-2616INTERCHANGEABLE
BAR ACTUATOR
900-31
5840-01-479-0196INTERCHANGEABLE
RADAR SET SUBASSEMBLY
6120-01-496-1999INTERCHANGEABLE
POWER SUPPLY
5975-01-667-4248INTERCHANGEABLE
JUNCTION BOX
9003-1

Frequently Asked Questions

What is NSN 5305-01-266-7358?

NSN 5305-01-266-7358 is a Screw,cap,socket Head, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-266-7358?

NSN 5305-01-266-7358 has 2 cross-referenced part numbers: 90031 (L3 Technologies, Inc. Div L3 Keo), 101A900318 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5305-01-266-7358?

There are 11 known substitutes for 5305-01-266-7358: 4820-00-095-1876, 5999-00-171-3150, 3110-00-227-3248 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90031?

Key specifications for 90031: Nominal Thread Diameter: 0.164 INCHES IN; Internal Drive Style: HEXAGON; Head Height: 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Material: PLASTIC OVERALL. 13 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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