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PartsTable / COMPONENT / MIL-DTL-122J
MIL-DTL-122J ✓ 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 STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN, thread_class: 2B, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 5.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-248-7438, 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-122J
NSN: 5307-00-248-7438
FSC: 5307
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
thread_class2B
thread_length1.000 INCHES NOMINAL IN
fastener_length5.000 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength120000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch8
NSN5307-00-248-7438
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-DTL-122J · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1427070Interchangeable
interchangeable cross-reference
interchangeable
SP20889Interchangeable
interchangeable cross-reference
interchangeable
M1222B2N8C220GFNZXInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-122JInterchangeable
interchangeable cross-reference
interchangeable
M1222RN6C296GFNNInterchangeable
interchangeable cross-reference
interchangeable
MILB857Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-122J?
MIL-DTL-122J is a STUD,PLAIN.
What parts can replace MIL-DTL-122J?
There are 8 known substitutes for MIL-DTL-122J: 1427070, SP20889, M1222B2N8C220GFNZX and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-122J?
MIL-DTL-122J is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-248-7438. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026