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LB36-12-29 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

LB36-12-29: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: HEXAGON, grip_length: 1.812 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN, head_height: 0.344 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-143-4089, 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
LB36-12-29
NSN: 5306-01-143-4089
FSC: 5306 — Bolts
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleHEXAGON
grip_length1.812 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
head_height0.344 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN
thread_length0.729 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length2.832 INCHES MINIMUM AND 2.852 INCHES MAXIMUM IN
special_featuresRETAINING ELEMENT IN SHANK
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5306-01-143-4089
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LB36-12-29 · 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
•
SURFACE FINISH: 63.0 MICROINCHES GRIP
•
HEAD HEIGHT: 0.344 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.832 INCHES MINIMUM AND 2.852 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.729 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.344 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
FASTENER LENGTH2.832 INCHES MINIMUM AND 2.852 INCHES MAXIMUM IN
THREAD LENGTH0.729 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
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 1
10115992Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LB36-12-29?
LB36-12-29 is a BOLT,CLOSE TOLERANCE.
What parts can replace LB36-12-29?
There is 1 known substitute for LB36-12-29: 10115992. Substitute compatibility should be verified for your specific system.
What is the NSN for LB36-12-29?
LB36-12-29 is cataloged in the U.S. Government catalog under NSN 5306-01-143-4089. 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.