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Technical Data Sheet
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8T-4172 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8T-4172: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY OVERALL, head_style: HEXAGON, head_height: 7.0 MILLIMETERS NOMINAL MM, thread_length: 26.0 MILLIMETERS NOMINAL MM, fastener_length: 80.0 MILLIMETERS NOMINAL MM, width_between_flats: 16.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-419-5181, 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-4172
NSN: 5306-01-419-5181
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialZINC ALLOY OVERALL
head_styleHEXAGON
head_height7.0 MILLIMETERS NOMINAL MM
thread_length26.0 MILLIMETERS NOMINAL MM
fastener_length80.0 MILLIMETERS NOMINAL MM
width_between_flats16.0 MILLIMETERS NOMINAL MM
supplementary_featuresTHREAD SIZE: M10 DIA X 1.50 PITCH
end_item_identificationMRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 11 OTHER WEAPON SYSTEMS; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
part_name_assigned_by_controlling_agencyHEX HEAD BOLT
NSN5306-01-419-5181
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8T-4172 · 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: 7.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 80.0 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 26.0 MILLIMETERS NOMINAL MM
•
SUPPLEMENTARY FEATURES: THREAD SIZE: M10 DIA X 1.50 PITCH
•
HEAD STYLE: HEXAGON
•
WIDTH BETWEEN FLATS: 16.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT7.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH80.0 MILLIMETERS NOMINAL MM
THREAD LENGTH26.0 MILLIMETERS NOMINAL MM
SUPPLEMENTARY FEATURESTHREAD SIZE: M10 DIA X 1.50 PITCH
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS16.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX HEAD BOLT
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 11 OTHER WEAPON SYSTEMS; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
MATERIALZINC ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
1001822Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A08511Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0153996Same 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-4172?
8T-4172 is a BOLT,MACHINE.
What parts can replace 8T-4172?
There are 3 known substitutes for 8T-4172: 1001822, A08511, 0153996. Substitute compatibility should be verified for your specific system.
What is the NSN for 8T-4172?
8T-4172 is cataloged in the U.S. Government catalog under NSN 5306-01-419-5181. This indicates validated use in U.S. government and defense supply chains.
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