PartsTable
Technical Data Sheet
MIL-DTL-1222J ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 384 OVERALL, nut_style: HEXAGON, head_style: HEXAGON, nut_height: 0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-012-2065, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MIL-DTL-1222J
NSN: 5306-00-012-2065
FSC: 5306
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 384 OVERALL
nut_styleHEXAGON
head_styleHEXAGON
nut_height0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length1.250 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_length4.125 INCHES NOMINAL IN
fastener_length3.000 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
NSN5306-00-012-2065
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-DTL-1222J · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
MINIMUM TENSILE STRENGTH: 69000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH: 0.875 INCHES MINIMUM IN
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
MATERIAL: STEEL OVERALL
THREAD CLASS: 2A A
THREAD DIRECTION: RIGHT-HAND
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTH69000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH0.875 INCHES MINIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MATERIALSTEEL OVERALL
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING100.0 ROCKWELL B MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
FFS85Upgraded Successor
successor cross-reference
successor
186274Upgraded Successor
successor cross-reference
successor
MS90725-52Upgraded Successor
successor cross-reference
successor
0251428Upgraded Successor
successor cross-reference
successor
MS90726-40Upgraded Successor
successor cross-reference
successor
301551Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-1222J?
MIL-DTL-1222J is a SCREW,CAP,HEXAGON HEAD.
What parts can replace MIL-DTL-1222J?
There are 28 known substitutes for MIL-DTL-1222J: FFS85, 186274, MS90725-52 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-1222J?
MIL-DTL-1222J is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-012-2065. This indicates validated use in U.S. government and defense supply chains.
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