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2H8534 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2H8534: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, head_style: DEE CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.438 INCHES NOMINAL IN, thread_length: 0.375 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-261-3398, 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
2H8534
NSN: 5306-00-261-3398
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
head_styleDEE CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.438 INCHES NOMINAL IN
thread_length0.375 INCHES MINIMUM IN
fastener_length0.781 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentCADMIUM AND DICHROMATE OVERALL
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
NSN5306-00-261-3398
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2H8534 · 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: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.781 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: P-45M FSCM 16764 MFR REF 1ST TREATMENT RESPONSE AND P-10E FSCM 16764 MFR REF 2ND TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.375 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH0.781 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONP-45M FSCM 16764 MFR REF 1ST TREATMENT RESPONSE AND P-10E FSCM 16764 MFR REF 2ND TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
THREAD LENGTH0.375 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 2
1921055Reference document
Same NSN cross-reference
Reference document — Secondary reference
1920155Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2H8534?
2H8534 is a BOLT,MACHINE.
What parts can replace 2H8534?
There are 2 known substitutes for 2H8534: 1921055, 1920155. Substitute compatibility should be verified for your specific system.
What is the NSN for 2H8534?
2H8534 is cataloged in the U.S. Government catalog under NSN 5306-00-261-3398. 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.