PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-1222HBolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-00-273-6098 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-273-6098 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-273-6098. Primary manufacturer part number: MIL-S-1222H.
Features
  • Bolt,machine — FSC 5306
  • Nominal Thread Diameter: 1.000 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Head Style: HEXAGON
  • Width Between Flats: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Height: 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
  • Material: STEEL COMP 416 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-273-6098, 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 16 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
NSN5306-00-273-6098
Primary Part NumberMIL-S-1222H
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
Nominal Thread Diameter1.000 INCHES IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Width Between Flats1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Thread Class2A A
Head Height0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
MaterialSTEEL COMP 416 OVERALL
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Features ProvidedUNFINISHED HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Departure From Cited DesignatorAS MODIFIED BY MATERIAL
Thread Quantity Per Inch8
Fastener Length3.500 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Nondefinitive Spec/std Data2 TYPE
Thread Length1.750 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Bolt,machine
Bolt,machine
Bolt,machine
5306-01-482-4723803-1385637-05X-23 SUCCESSOR
Bolt,machine
Naval Ship Systems Command
Bolt,machine
5305-00-226-9220 INTERCHANGEABLE
Screw,cap,hexagon Head
5306-00-227-0932 INTERCHANGEABLE
Bolt,machine
5307-00-248-7987 INTERCHANGEABLE
Stud,plain
5306-00-263-7479 INTERCHANGEABLE
Bolt,machine
5305-00-266-4105 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
MIL-S-1222H Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222TY1 20UNC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
43B21913-279 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5306-00-270-8290SUCCESSOR
BOLT,MACHINE
5306-00-270-9456SUCCESSOR
BOLT,MACHINE
5306-01-482-4720SUCCESSOR
BOLT,MACHINE
5306-01-482-4723SUCCESSOR
BOLT,MACHINE
803-1385637-05X-23
5306-01-482-4724SUCCESSOR
BOLT,MACHINE
5305-00-226-9220INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5306-00-227-0932INTERCHANGEABLE
BOLT,MACHINE
5307-00-248-7987INTERCHANGEABLE
STUD,PLAIN
5306-00-263-7479INTERCHANGEABLE
BOLT,MACHINE
5305-00-266-4105INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5306-00-285-3532INTERCHANGEABLE
BOLT,MACHINE
X04
5306-00-338-3853INTERCHANGEABLE
BOLT,MACHINE
K6643028PC217

Frequently Asked Questions

What is NSN 5306-00-273-6098?

NSN 5306-00-273-6098 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 5306-00-273-6098?

NSN 5306-00-273-6098 has 3 cross-referenced part numbers: MIL-S-1222H (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222TY1 20UNC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 43B21913-279 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5306-00-273-6098?

There are 12 known substitutes for 5306-00-273-6098: 5306-00-270-8290, 5306-00-270-9456, 5306-01-482-4720 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-1222H?

Key specifications for MIL-S-1222H: Nominal Thread Diameter: 1.000 INCHES IN; Thread Direction: RIGHT-HAND; Head Style: HEXAGON; Width Between Flats: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 16 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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