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3229144 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3229144: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, head_style: HEXAGON, head_height: 0.875 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 2.000 INCHES NOMINAL IN, fastener_length: 9.187 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-271-8435, 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
3229144
NSN: 5306-00-271-8435
FSC: 5306 — Bolts
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
head_styleHEXAGON
head_height0.875 INCHES NOMINAL IN
thread_class3A A
thread_length2.000 INCHES NOMINAL IN
fastener_length9.187 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats1.687 INCHES NOMINAL IN
nominal_thread_diameter1.125 INCHES IN
minimum_tensile_strength140000 POUNDS PER SQUARE INCH LBS
NSN5306-00-271-8435
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3229144 · 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
•
HEAD HEIGHT: 0.875 INCHES NOMINAL IN
•
FASTENER LENGTH: 9.187 INCHES NOMINAL IN
•
THREAD LENGTH: 2.000 INCHES NOMINAL IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.221 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 1.125 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.875 INCHES NOMINAL IN
FASTENER LENGTH9.187 INCHES NOMINAL IN
THREAD LENGTH2.000 INCHES NOMINAL IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.221 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER1.125 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 7
N4770PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
NX14267PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
N21032PC5Reference document
Same NSN cross-reference
Reference document — Secondary reference
N12767PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
N5767PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
N9770PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3229144?
3229144 is a BOLT,MACHINE.
What parts can replace 3229144?
There are 7 known substitutes for 3229144: N4770PC2, NX14267PC2, N21032PC5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3229144?
3229144 is cataloged in the U.S. Government catalog under NSN 5306-00-271-8435. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.