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8T-4137 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8T-4137: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 5.000 MILLIMETERS NOMINAL MM, head_height: 7.000 MILLIMETERS NOMINAL MM, thread_length: 15.000 MILLIMETERS NOMINAL MM, fastener_length: 20.000 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-360-0928, 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
8T-4137
NSN: 5306-01-360-0928
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length5.000 MILLIMETERS NOMINAL MM
head_height7.000 MILLIMETERS NOMINAL MM
thread_length15.000 MILLIMETERS NOMINAL MM
fastener_length20.000 MILLIMETERS NOMINAL MM
surface_treatmentZINC OVERALL
width_between_flats16.000 MILLIMETERS NOMINAL MM
supplementary_featuresFINISH: ZINK FLAKE; COATING: ZINC FLAKE; BOLT SIZE: 0.3937"; THREAD: COARSE THREAD UNC; MATERIAL DESCRIPTION: ISO 898-1 CLASS 10.9 HEAD MARKING-10.9
nominal_thread_diameter10.000 MILLIMETERS MM
minimum_tensile_strength1040 MEGAPASCALS
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-360-0928
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8T-4137 · 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: 7.000 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 20.000 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.500
•
THREAD LENGTH: 15.000 MILLIMETERS NOMINAL MM
•
SUPPLEMENTARY FEATURES: FINISH: ZINK FLAKE; COATING: ZINC FLAKE; BOLT SIZE: 0.3937"; THREAD: COARSE THREAD UNC; MATERIAL DESCRIPTION: ISO 898-1 CLASS 10.9 HEAD MARKING-10.9
•
NOMINAL THREAD DIAMETER: 10.000 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
GRIP LENGTH: 5.000 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT7.000 MILLIMETERS NOMINAL MM
FASTENER LENGTH20.000 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.500
THREAD LENGTH15.000 MILLIMETERS NOMINAL MM
SUPPLEMENTARY FEATURESFINISH: ZINK FLAKE; COATING: ZINC FLAKE; BOLT SIZE: 0.3937"; THREAD: COARSE THREAD UNC; MATERIAL DESCRIPTION: ISO 898-1 CLASS 10.9 HEAD MARKING-10.9
NOMINAL THREAD DIAMETER10.000 MILLIMETERS MM
HEAD STYLEHEXAGON
GRIP LENGTH5.000 MILLIMETERS NOMINAL MM
WIDTH BETWEEN FLATS16.000 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
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 2
A02076Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
812867Same 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 8T-4137?
8T-4137 is a BOLT,MACHINE.
What parts can replace 8T-4137?
There are 2 known substitutes for 8T-4137: A02076, 812867. Substitute compatibility should be verified for your specific system.
What is the NSN for 8T-4137?
8T-4137 is cataloged in the U.S. Government catalog under NSN 5306-01-360-0928. This indicates validated use in U.S. government and defense supply chains.
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