PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-16 18X4INBolt,machine

Gage Co the · NSN 5306-00-042-6926 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-042-6926 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-042-6926. Primary manufacturer part number: 5-16 18X4IN.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Fastener Length: 4.000 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: SQUARE
  • Features Provided: UNFINISHED HEAD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-042-6926, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gage Co the. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-042-6926
Primary Part Number5-16 18X4IN
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGage Co the
StatusCANCELLED
Width Between Flats0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
Fastener Length4.000 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleSQUARE
Features ProvidedUNFINISHED HEAD
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Quantity Per Inch18
Material Document and ClassificationSAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Head Height0.203 INCHES NOMINAL IN
Thread Length0.875 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-042-6922426922 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
5-16 18X4IN Gage Co the (USA)
FF-B-575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS35355-40 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
426926 Army Weapons Command Attn Amswe-Ree-S (USA)
426926 General Motors Corp (USA)
Related Parts
5306-00-011-1195SUCCESSOR
BOLT,MACHINE
5306-00-013-1303SUCCESSOR
BOLT,MACHINE
5306-00-018-6682SUCCESSOR
BOLT,MACHINE
5306-00-019-1846SUCCESSOR
BOLT,MACHINE
5306-00-019-1857SUCCESSOR
BOLT,MACHINE
5306-00-042-6920SUCCESSOR
BOLT,MACHINE
5306-00-042-6922SUCCESSOR
BOLT,MACHINE
426922
5306-00-042-6923SUCCESSOR
BOLT,MACHINE
5306-00-042-6934SUCCESSOR
BOLT,MACHINE
5306-00-042-6936SUCCESSOR
BOLT,MACHINE
5306-00-042-6937SUCCESSOR
BOLT,MACHINE
426937
5306-00-042-6938SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-042-6926?

NSN 5306-00-042-6926 is a Bolt,machine, manufactured by Gage Co the, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-042-6926?

NSN 5306-00-042-6926 has 5 cross-referenced part numbers: 5-16 18X4IN (Gage Co the), FF-B-575 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35355-40 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 426926 (Army Weapons Command Attn Amswe-Ree-S), 426926 (General Motors Corp).

What NSN replaces 5306-00-042-6926?

There are 12 known substitutes for 5306-00-042-6926: 5306-00-011-1195, 5306-00-013-1303, 5306-00-018-6682 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-16 18X4IN?

Key specifications for 5-16 18X4IN: Width Between Flats: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Fastener Length: 4.000 INCHES NOMINAL IN; Surface Treatment: CADMIUM OR ZINC OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-042-6926 still in active supply?

NSN 5306-00-042-6926 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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