PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 7406599
7406599 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.203 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.875 INCHES MAXIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-275-1642, 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
7406599
NSN: 5306-00-275-1642
FSC: 5306
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.203 INCHES NOMINAL IN
thread_class2A A
thread_length0.875 INCHES MAXIMUM IN
fastener_length1.250 INCHES NOMINAL IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
features_providedFINISHED HEAD
width_between_flats0.500 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-275-1642
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7406599 · 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
•
THREAD LENGTH: 0.875 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 18
•
HEAD STYLE: HEXAGON
•
HEAD HEIGHT: 0.203 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
•
FEATURES PROVIDED: FINISHED HEAD
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.875 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH18
HEAD STYLEHEXAGON
HEAD HEIGHT0.203 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
FEATURES PROVIDEDFINISHED HEAD
FASTENER LENGTH1.250 INCHES NOMINAL IN
THREAD CLASS2A A
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
150 1/2Interchangeable
interchangeable cross-reference
interchangeable
44032Interchangeable
interchangeable cross-reference
interchangeable
427332Interchangeable
interchangeable cross-reference
interchangeable
11316AInterchangeable
interchangeable cross-reference
interchangeable
BB1314Interchangeable
interchangeable cross-reference
interchangeable
21TN886Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7406599?
7406599 is a BOLT,MACHINE.
What parts can replace 7406599?
There are 8 known substitutes for 7406599: 150 1/2, 44032, 427332 and 5 more. Substitute compatibility should be verified for your specific system.
Is 7406599 still available?
7406599 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026