PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122104Screw,cap,hexagon Head

General Motors Corp · NSN 5305-00-012-2104 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-012-2104 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-012-2104. Primary manufacturer part number: 122104.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
  • Fastener Length: 0.625 INCHES NOMINAL IN
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 69000 POUNDS PER SQUARE INCH LBS
  • Head Style: HEXAGON
  • Hardness Rating: 100.0 ROCKWELL B MAXIMUM OVERALL
  • Material: STEEL OVERALL
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 5305-00-012-2104, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-012-2104
Primary Part Number122104
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Fastener Length0.625 INCHES NOMINAL IN
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Minimum Tensile Strength69000 POUNDS PER SQUARE INCH LBS
Head StyleHEXAGON
Hardness Rating100.0 ROCKWELL B MAXIMUM OVERALL
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
Thread Length0.625 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE
Thread Class2A A
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch16
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5305-00-207-0928122104 INTERCHANGEABLE
Screw,cap,hexagon Head
Chrysler Realty Company Llc Dba Daimler Chrysler
5306-00-225-84986022232 INTERCHANGEABLE
Bolt,machine
New Venture Gear Inc New Process Gear Div
5305-00-514-7632 INTERCHANGEABLE
Screw,cap,hexagon Head
5306-00-637-8775100-15S6-4 INTERCHANGEABLE
Bolt,machine
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-655-1515 INTERCHANGEABLE
Switch,toggle
5305-00-721-5492AES01C375625AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
5305-01-332-1507B1821BH063F200L INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
5305-01-369-9501 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
122104 General Motors Corp (USA)
FFS85TYPEIISTYLE10P Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35291-57 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-207-0928INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
122104
5306-00-225-8498INTERCHANGEABLE
BOLT,MACHINE
6022232
5305-00-514-7632INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5306-00-637-8775INTERCHANGEABLE
BOLT,MACHINE
100-15S6-4
5930-00-655-1515INTERCHANGEABLE
SWITCH,TOGGLE
5305-00-721-5492INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C375625AW9A91
5305-01-332-1507INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
B1821BH063F200L
5305-01-369-9501INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-00-012-2104?

NSN 5305-00-012-2104 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-012-2104?

NSN 5305-00-012-2104 has 3 cross-referenced part numbers: 122104 (General Motors Corp), FFS85TYPEIISTYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC), MS35291-57 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-012-2104?

There are 8 known substitutes for 5305-00-012-2104: 5305-00-207-0928, 5306-00-225-8498, 5305-00-514-7632 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 122104?

Key specifications for 122104: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES NOMINAL IN; Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Minimum Tensile Strength: 69000 POUNDS PER SQUARE INCH LBS. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-012-2104 still in active supply?

NSN 5305-00-012-2104 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.
PartsTable Design LLC · partstable.com