PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23938-2Screw,machine

L3 Technologies, Inc. Div L3 Telemetry & Rf Products · NSN 5305-00-235-6181 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-235-6181 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-235-6181. Primary manufacturer part number: 23938-2.
Features
  • Screw,machine — FSC 5305
  • Screw Material: COPPER ALLOY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Screw Surface Treatment Document and Classification: VSF-30002-59 FSCM 13923 MFR REF SINGLE TREATMENT RESPONSE
  • Thread Length: 0.106 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 40
  • Head Style: FLAT COUNTERSUNK UNDERCUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-235-6181, 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 Telemetry & Rf Products. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-235-6181
Primary Part Number23938-2
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Telemetry & Rf Products
StatusACTIVE
Screw MaterialCOPPER ALLOY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Screw Surface Treatment Document and ClassificationVSF-30002-59 FSCM 13923 MFR REF SINGLE TREATMENT RESPONSE
Thread Length0.106 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Head StyleFLAT COUNTERSUNK UNDERCUT
Thread Class2A A
Head Height0.055 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data1 TYPE AND 2S STYLE
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Internal Drive StyleSLOT
Nominal Thread Diameter0.112 INCHES IN
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Head Diameter0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Fastener Length0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-117-0762 INTERCHANGEABLE
Bearing,roller,thrust
Cross-Reference Index
Part NumberManufacturer
23938-2 PRIMARY L3 Technologies, Inc. Div L3 Telemetry & Rf Products (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-117-0762INTERCHANGEABLE
BEARING,ROLLER,THRUST

Frequently Asked Questions

What is NSN 5305-00-235-6181?

NSN 5305-00-235-6181 is a Screw,machine, manufactured by L3 Technologies, Inc. Div L3 Telemetry & Rf Products, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-235-6181?

NSN 5305-00-235-6181 has 2 cross-referenced part numbers: 23938-2 (L3 Technologies, Inc. Div L3 Telemetry & Rf Products), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-235-6181?

There is 1 known substitute for 5305-00-235-6181: 3110-00-117-0762. Verify interchangeability with system specifications before substitution.

What are the specifications of 23938-2?

Key specifications for 23938-2: Screw Material: COPPER ALLOY; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Screw Surface Treatment Document and Classification: VSF-30002-59 FSCM 13923 MFR REF SINGLE TREATMENT RESPONSE. 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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