PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

180124Screw,cap,hexagon Head

Chrysler Corp Dayton Plant 1 · NSN 5305-00-639-8118 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-8118 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-8118. Primary manufacturer part number: 180124.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Length: 1.000 INCHES MINIMUM IN
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL OVERALL
  • Nominal Thread Diameter: 0.375 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-639-8118, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Chrysler Corp Dayton Plant 1. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-639-8118
Primary Part Number180124
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerChrysler Corp Dayton Plant 1
StatusACTIVE
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Width Between Flats0.551 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length1.000 INCHES MINIMUM IN
Hardness Rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Nominal Thread Diameter0.375 INCHES IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch16
Thread Class2A A
Fastener Length1.250 INCHES NOMINAL IN
Head StyleHEXAGON
Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-018-012411FM7AX3-8-16X1-1-4 INTERCHANGEABLE
Screw,cap,hexagon Head
Fairbanks Morse, Llc
5305-00-068-05112DD63 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
180124 Chrysler Corp Dayton Plant 1 (USA)
MS35297-62 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
X5792 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
5305-00-018-0124INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
11FM7AX3-8-16X1-1-4
5305-00-068-0511INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2DD63

Frequently Asked Questions

What is NSN 5305-00-639-8118?

NSN 5305-00-639-8118 is a Screw,cap,hexagon Head, manufactured by Chrysler Corp Dayton Plant 1, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-639-8118?

NSN 5305-00-639-8118 has 3 cross-referenced part numbers: 180124 (Chrysler Corp Dayton Plant 1), MS35297-62 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), X5792 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc).

What NSN replaces 5305-00-639-8118?

There are 2 known substitutes for 5305-00-639-8118: 5305-00-018-0124, 5305-00-068-0511. Verify interchangeability with system specifications before substitution.

What are the specifications of 180124?

Key specifications for 180124: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Width Between Flats: 0.551 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Length: 1.000 INCHES MINIMUM IN. 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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