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Technical Data Sheet
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6K0137 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6K0137: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.380 MILLIMETERS MINIMUM AND 0.390 MILLIMETERS MAXIMUM MM, thread_class: 3A A, thread_length: 38.10 MILLIMETERS MINIMUM AND 50.80 MILLIMETERS MAXIMUM MM, fastener_length: 50.80 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-186-3447, 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
6K0137
NSN: 5306-01-186-3447
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.380 MILLIMETERS MINIMUM AND 0.390 MILLIMETERS MAXIMUM MM
thread_class3A A
thread_length38.10 MILLIMETERS MINIMUM AND 50.80 MILLIMETERS MAXIMUM MM
fastener_length50.80 MILLIMETERS NOMINAL MM
locking_featurePATCH THREADS
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats23.81 MILLIMETERS NOMINAL MM
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch11
NSN5306-01-186-3447
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6K0137 · 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: 0.380 MILLIMETERS MINIMUM AND 0.390 MILLIMETERS MAXIMUM MM
•
FASTENER LENGTH: 50.80 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 38.10 MILLIMETERS MINIMUM AND 50.80 MILLIMETERS MAXIMUM MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAEGR8 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.380 MILLIMETERS MINIMUM AND 0.390 MILLIMETERS MAXIMUM MM
FASTENER LENGTH50.80 MILLIMETERS NOMINAL MM
THREAD LENGTH38.10 MILLIMETERS MINIMUM AND 50.80 MILLIMETERS MAXIMUM MM
MATERIAL DOCUMENT AND CLASSIFICATIONSAEGR8 ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS23.81 MILLIMETERS NOMINAL MM
LOCKING FEATUREPATCH THREADS
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
6K137Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6K0137?
6K0137 is a BOLT,MACHINE.
What parts can replace 6K0137?
There is 1 known substitute for 6K0137: 6K137. Substitute compatibility should be verified for your specific system.
What is the NSN for 6K0137?
6K0137 is cataloged in the U.S. Government catalog under NSN 5306-01-186-3447. This indicates validated use in U.S. government and defense supply chains.
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