PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1222JBolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-174-9530 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-174-9530 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-174-9530. Primary manufacturer part number: MIL-DTL-1222J.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2,GR 2 TYPE
  • Hardness Rating: 100.0 ROCKWELL B MAXIMUM OVERALL
  • Fastener Length: 2.750 INCHES NOMINAL IN
  • Head Style: HEXAGON
  • Minimum Tensile Strength: 64000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
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 5306-00-174-9530, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5306-00-174-9530
Primary Part NumberMIL-DTL-1222J
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2,GR 2 TYPE
Hardness Rating100.0 ROCKWELL B MAXIMUM OVERALL
Fastener Length2.750 INCHES NOMINAL IN
Head StyleHEXAGON
Minimum Tensile Strength64000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.750 INCHES IN
Width Between Flats1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Head Height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
Thread Quantity Per Inch10
Thread Length1.750 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
Thread Class2A A
Material Document and ClassificationSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-272-5104
HAZMATNo
Verified Substitutes 12
5306-00-638-5811AN10H20A SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-260-45150T0857 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-275-9800280450PC252 SUCCESSOR
Bolt,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E-172-050-590 B0LT Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA)
MILB857TYPE2GRADE2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5306-00-272-5104 Bolt,machine
5306-00-638-5811SUCCESSOR
BOLT,MACHINE
AN10H20A
5306-00-260-4515SUCCESSOR
BOLT,MACHINE
0T0857
5306-00-263-4038SUCCESSOR
BOLT,MACHINE
5306-00-270-9457SUCCESSOR
BOLT,MACHINE
5306-00-275-9800SUCCESSOR
BOLT,MACHINE
280450PC252
5306-00-299-2343SUCCESSOR
BOLT,MACHINE
5306-00-299-2368SUCCESSOR
BOLT,MACHINE
5306-00-299-2383SUCCESSOR
BOLT,MACHINE
5306-00-299-2385SUCCESSOR
BOLT,MACHINE
5306-00-299-2392SUCCESSOR
BOLT,MACHINE
101-2S4-2
5306-00-174-9458INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-174-9530?

NSN 5306-00-174-9530 is a Bolt,machine, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-174-9530?

NSN 5306-00-174-9530 has 3 cross-referenced part numbers: MIL-DTL-1222J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), E-172-050-590 B0LT (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), MILB857TYPE2GRADE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-174-9530?

There are 12 known substitutes for 5306-00-174-9530: 5306-00-638-5811, 5306-00-260-4515, 5306-00-263-4038 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222J?

Key specifications for MIL-DTL-1222J: Material: STEEL OVERALL; Nondefinitive Spec/std Data: 2,GR 2 TYPE; Hardness Rating: 100.0 ROCKWELL B MAXIMUM OVERALL; Fastener Length: 2.750 INCHES NOMINAL IN. 18 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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