PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1222Bolt,machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5306-01-296-2850 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-296-2850 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-296-2850. Primary manufacturer part number: MIL-DTL-1222.
Features
  • Bolt,machine — FSC 5306
  • Head Style: HEXAGON
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 1.250 INCHES NOMINAL IN
  • Material: NICKEL ALLOY 400 OVERALL
  • Thread Quantity Per Inch: 16
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy 400 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-296-2850, 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 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-296-2850
Primary Part NumberMIL-DTL-1222
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
Head StyleHEXAGON
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Fastener Length1.250 INCHES NOMINAL IN
MaterialNICKEL ALLOY 400 OVERALL
Thread Quantity Per Inch16
Thread Class2A A
Features ProvidedFINISHED HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data1 TYPE
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Length1.000 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Locking FeaturePATCH OR PELLET THREADS
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-227-05820.75010UNC2A1.750T1G5BAC SUCCESSOR
Bolt,machine
Nucor Fastener
5306-00-227-0601306-40172 SUCCESSOR
Bolt,machine
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5306-00-281-51641D4703 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Bolt,machine
Bolt,machine
5306-00-426-34021D4608 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5306-00-732-77146C-3210 SUCCESSOR
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Bolt,machine
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222RN6C220NALN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-18240E Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
516-6293386-37 Naval Sea Systems Command (USA)
Related Parts
5306-00-227-0582SUCCESSOR
BOLT,MACHINE
0.75010UNC2A1.750T1G5BAC
5306-00-227-0601SUCCESSOR
BOLT,MACHINE
306-40172
5306-00-281-5164SUCCESSOR
BOLT,MACHINE
1D4703
5306-00-299-2342SUCCESSOR
BOLT,MACHINE
5306-00-299-2378SUCCESSOR
BOLT,MACHINE
5306-00-426-3402SUCCESSOR
BOLT,MACHINE
1D4608
5306-00-732-7714SUCCESSOR
BOLT,MACHINE
6C-3210
5306-01-282-7489SUCCESSOR
BOLT,MACHINE
5306-01-323-5536SUCCESSOR
BOLT,MACHINE
5306-01-327-3526SUCCESSOR
BOLT,MACHINE
5305-00-063-5288INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NK515-8R16
5305-00-075-3633INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5306-01-296-2850?

NSN 5306-01-296-2850 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 5306-01-296-2850?

NSN 5306-01-296-2850 has 4 cross-referenced part numbers: MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222RN6C220NALN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-18240E (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 516-6293386-37 (Naval Sea Systems Command).

What NSN replaces 5306-01-296-2850?

There are 12 known substitutes for 5306-01-296-2850: 5306-00-227-0582, 5306-00-227-0601, 5306-00-281-5164 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222?

Key specifications for MIL-DTL-1222: Head Style: HEXAGON; Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Fastener Length: 1.250 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com