PartsTable
Technical Data Sheet
3544J ✓ 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, head_height: 0.281 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.719 INCHES MINIMUM IN, fastener_length: 0.844 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-529-1732, 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
3544J
NSN: 5306-00-529-1732
FSC: 5306
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.281 INCHES NOMINAL IN
thread_class3A A
thread_length0.719 INCHES MINIMUM IN
fastener_length0.844 INCHES NOMINAL IN
hardness_rating34.3 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.562 INCHES NOMINAL IN
minimum_yield_strength160000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-529-1732
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3544J · 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
MATERIAL: STEEL OVERALL
HARDNESS RATING: 34.3 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
FEATURES PROVIDED: FINISHED HEAD
THREAD DIRECTION: RIGHT-HAND
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
THREAD QUANTITY PER INCH: 24
HEAD STYLE: HEXAGON
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
HARDNESS RATING34.3 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
FEATURES PROVIDEDFINISHED HEAD
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD QUANTITY PER INCH24
HEAD STYLEHEXAGON
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.281 INCHES NOMINAL IN
MINIMUM YIELD STRENGTH160000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
73625Interchangeable
interchangeable cross-reference
interchangeable
PL-52601 PC49Interchangeable
interchangeable cross-reference
interchangeable
53061Interchangeable
interchangeable cross-reference
interchangeable
52601 PC49Interchangeable
interchangeable cross-reference
interchangeable
53038Interchangeable
Sm-A300f
interchangeable
37479HAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3544J?
3544J is a BOLT,MACHINE.
What parts can replace 3544J?
There are 6 known substitutes for 3544J: 73625, PL-52601 PC49, 53061 and 3 more. Substitute compatibility should be verified for your specific system.
Is 3544J still available?
3544J is currently cancelled.
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