PartsTable
Technical Data Sheet
MX-243766 PIECE 30 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 5.500 INCHES NOMINAL IN, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.500 INCHES MINIMUM 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 5306-00-174-9481, 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
MX-243766 PIECE 30
NSN: 5306-00-174-9481
FSC: 5306
CAGE: 58529 — THE BABCOCK & WILCOX COMPANY DBA B & W SERVICE CO DIV B&W SERVICE COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length5.500 INCHES NOMINAL IN
head_height0.312 INCHES NOMINAL IN
thread_class2A A
thread_length1.500 INCHES MINIMUM IN
fastener_length7.000 INCHES NOMINAL IN
hardness_rating80.0 ROCKWELL B MINIMUM FASTENER
special_featuresCONFIGURATION - SCREW; TYPE - 1; GRADE - 2; CONDITION - AS FORMED OR STRESS
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentZINC OVERALL
NSN5306-00-174-9481
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MX-243766 PIECE 30 · 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
GRIP LENGTH: 5.500 INCHES NOMINAL IN
THREAD DIRECTION: RIGHT-HAND
FEATURES PROVIDED: FINISHED HEAD
FASTENER LENGTH: 7.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B 633,TYPE II OR ASTM B 695,TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH: 1.500 INCHES MINIMUM IN
MATERIAL: STEEL OVERALL
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM FASTENER
TECHNICAL CHARACTERISTICS (FLIS)
GRIP LENGTH5.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
FEATURES PROVIDEDFINISHED HEAD
FASTENER LENGTH7.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B 633,TYPE II OR ASTM B 695,TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.500 INCHES MINIMUM IN
MATERIALSTEEL OVERALL
HARDNESS RATING80.0 ROCKWELL B MINIMUM FASTENER
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-DTL-1222,GRADE 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MILB857AUpgraded Successor
successor cross-reference
successor
M1222RN12C48GFNNUpgraded Successor
successor cross-reference
successor
MIL-S-1222Upgraded Successor
successor cross-reference
successor
MIL-DTL-1222Upgraded Successor
successor cross-reference
successor
306-40172Upgraded Successor
successor cross-reference
successor
1D4703Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MX-243766 PIECE 30?
MX-243766 PIECE 30 is a BOLT,MACHINE.
What parts can replace MX-243766 PIECE 30?
There are 12 known substitutes for MX-243766 PIECE 30: MILB857A, M1222RN12C48GFNN, MIL-S-1222 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MX-243766 PIECE 30?
MX-243766 PIECE 30 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-174-9481. This indicates validated use in U.S. government and defense supply chains.
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