PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

903-105Screw,cap,hexagon Head

Dorman Products, Inc. Dba Dorman · NSN 5305-01-214-7561 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-214-7561 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-214-7561. Primary manufacturer part number: 903-105.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Surface Treatment: DICHROMATE ZINC OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2A A
  • Material: STEEL COMP 1040 OVERALL
  • Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1040 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-214-7561, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dorman Products, Inc. Dba Dorman. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-214-7561
Primary Part Number903-105
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerDorman Products, Inc. Dba Dorman
StatusCANCELLED
Thread Length0.500 INCHES NOMINAL IN
Width Between Flats0.500 INCHES NOMINAL IN
Surface TreatmentDICHROMATE ZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
MaterialSTEEL COMP 1040 OVERALL
Hardness Rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Fastener Length0.500 INCHES NOMINAL IN
Thread Quantity Per Inch18
Head StyleHEXAGON
Head Height0.203 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.312 INCHES IN
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5930-00-201-5047 INTERCHANGEABLE
Switch,thermostatic
5331-00-291-3275 INTERCHANGEABLE
O-Ring
5962-00-489-0017 INTERCHANGEABLE
Microcircuit,digital
8305-00-782-6733 INTERCHANGEABLE
Webbing,textile
4010-01-107-1193 INTERCHANGEABLE
Chain
5342-01-192-2052 INTERCHANGEABLE
Fastener
5305-01-351-0860170-105 INTERCHANGEABLE
Screw,machine
Cnh Industrial America Llc Dba Cnh America
5940-01-654-96571701/05 INTERCHANGEABLE
Terminal Board
Bently Nevada, Inc.
9390-01-667-65425-1-4253 INTERCHANGEABLE
Wick
Edgewood Chemical Biological Center Ecbc
Cross-Reference Index
Part NumberManufacturer
903-105 Dorman Products, Inc. Dba Dorman (USA)
903-105 Ohio Auto Parts Co (USA)
170-105 Dorman Products, Inc. Dba Dorman (USA)
803-105 Dorman Products, Inc. Dba Dorman (USA)
Related Parts
5930-00-201-5047INTERCHANGEABLE
SWITCH,THERMOSTATIC
5331-00-291-3275INTERCHANGEABLE
O-RING
5962-00-489-0017INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
8305-00-782-6733INTERCHANGEABLE
WEBBING,TEXTILE
4010-01-107-1193INTERCHANGEABLE
CHAIN
5342-01-192-2052INTERCHANGEABLE
FASTENER
5305-01-351-0860INTERCHANGEABLE
SCREW,MACHINE
170-105
5940-01-654-9657INTERCHANGEABLE
TERMINAL BOARD
1701/05
9390-01-667-6542INTERCHANGEABLE
WICK
5-1-4253

Frequently Asked Questions

What is NSN 5305-01-214-7561?

NSN 5305-01-214-7561 is a Screw,cap,hexagon Head, manufactured by Dorman Products, Inc. Dba Dorman, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-01-214-7561?

NSN 5305-01-214-7561 has 4 cross-referenced part numbers: 903-105 (Dorman Products, Inc. Dba Dorman), 903-105 (Ohio Auto Parts Co), 170-105 (Dorman Products, Inc. Dba Dorman), 803-105 (Dorman Products, Inc. Dba Dorman).

What NSN replaces 5305-01-214-7561?

There are 9 known substitutes for 5305-01-214-7561: 5930-00-201-5047, 5331-00-291-3275, 5962-00-489-0017 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 903-105?

Key specifications for 903-105: Thread Length: 0.500 INCHES NOMINAL IN; Width Between Flats: 0.500 INCHES NOMINAL IN; Surface Treatment: DICHROMATE ZINC OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-214-7561 still in active supply?

NSN 5305-01-214-7561 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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