PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54403Screw,cap,hexagon Head

Am General Llc · NSN 5305-00-018-1365 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-018-1365 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-018-1365. Primary manufacturer part number: 54403.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 24
  • Thread Class: 2A A
  • Thread Length: 1.000 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 5 GRADE
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 5305-00-018-1365, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Am General Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-018-1365
Primary Part Number54403
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAm General Llc
StatusACTIVE
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch24
Thread Class2A A
Thread Length1.000 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE AND 5 GRADE
Hardness Rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Nominal Thread Diameter0.375 INCHES IN
Width Between Flats0.562 INCHES NOMINAL IN
Fastener Length1.125 INCHES NOMINAL IN
Head StyleHEXAGON
Head Height0.234 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-250-7539 INTERCHANGEABLE
Resistor,fixed,wire Wound
4730-00-266-0533SAE J513 4-4 010102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5935-00-283-7191 INTERCHANGEABLE
Connector,receptacle,electrical
5920-00-370-248085082-08 INTERCHANGEABLE
Arrester,electrical Surge
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5920-00-370-248185082-10 INTERCHANGEABLE
Arrester,electrical Surge
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5330-00-613-5597 INTERCHANGEABLE
Gasket,spiral Wound
5998-00-682-4932 INTERCHANGEABLE
Circuit Card Assembly
5905-00-688-3415 INTERCHANGEABLE
Resistor,fixed,wire Wound
4330-00-916-7015FRP-95-207 INTERCHANGEABLE
Filter Element,fluid
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
5330-00-929-5616106286 INTERCHANGEABLE
Retainer,seal
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
181365 General Motors Corp (USA)
54403 PRIMARY Am General Llc (USA)
913014 Allis-Chalmers Corp (USA)
FFS85TYPE2STYLE10PGRADE5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
0913014-7 Allis-Chalmers Corp (USA)
181365 General Motors Llc Dba General Motors Llc (USA)
181365 PRIMARY Rolls-Royce Solutions America Inc (USA)
85082 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
106286 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
0913014 Agco Corp Parts Opn (USA)
14X3207 PRIMARY Napco International Llc Dba Napco International Inc (USA)
900116 PRIMARY Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
Related Parts
5905-00-250-7539INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4730-00-266-0533INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 4-4 010102BA
5935-00-283-7191INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5920-00-370-2480INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
85082-08
5920-00-370-2481INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
85082-10
5330-00-613-5597INTERCHANGEABLE
GASKET,SPIRAL WOUND
5998-00-682-4932INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5905-00-688-3415INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4330-00-916-7015INTERCHANGEABLE
FILTER ELEMENT,FLUID
FRP-95-207
5330-00-929-5616INTERCHANGEABLE
RETAINER,SEAL
106286
5920-01-006-7956INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
85082-14
5985-01-037-9573INTERCHANGEABLE
COUPLER,DIRECTIONAL

Frequently Asked Questions

What is NSN 5305-00-018-1365?

NSN 5305-00-018-1365 is a Screw,cap,hexagon Head, manufactured by Am General Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-018-1365?

NSN 5305-00-018-1365 has 12 cross-referenced part numbers: 181365 (General Motors Corp), 54403 (Am General Llc), 913014 (Allis-Chalmers Corp), FFS85TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated by General Services Administration Washington DC), 0913014-7 (Allis-Chalmers Corp) and 7 more.

What NSN replaces 5305-00-018-1365?

There are 12 known substitutes for 5305-00-018-1365: 5905-00-250-7539, 4730-00-266-0533, 5935-00-283-7191 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54403?

Key specifications for 54403: Thread Series Designator: UNF; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 24; Thread Class: 2A A. 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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