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Technical Data Sheet
PartsTable / COMPONENT / 7375949
7375949 ✓ 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,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.375 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.125 INCHES MINIMUM IN, fastener_length: 3.625 INCHES NOMINAL IN, hardness_rating: 96.0 ROCKWELL B MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-354-1673, 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
7375949
NSN: 5306-00-354-1673
FSC: 5306
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.375 INCHES NOMINAL IN
thread_class2A A
thread_length1.125 INCHES MINIMUM IN
fastener_length3.625 INCHES NOMINAL IN
hardness_rating96.0 ROCKWELL B MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.750 INCHES NOMINAL IN
minimum_yield_strength085000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.500 INCHES IN
first_diameter_from_head0.500 INCHES NOMINAL IN
thread_quantity_per_inch13
NSN5306-00-354-1673
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7375949 · 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 QUANTITY PER INCH: 13
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.188 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY: 2
•
HARDNESS RATING: 96.0 ROCKWELL B MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MINIMUM YIELD STRENGTH: 085000 POUNDS PER SQUARE INCH LBS
•
SECOND DIAMETER FROM HEAD: 0.445 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH13
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.188 INCHES NOMINAL IN
THREAD CLASS2A A
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
HARDNESS RATING96.0 ROCKWELL B MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MINIMUM YIELD STRENGTH085000 POUNDS PER SQUARE INCH LBS
SECOND DIAMETER FROM HEAD0.445 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN
FASTENER LENGTH3.625 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
40081420Interchangeable
interchangeable cross-reference
interchangeable
TH163Interchangeable
interchangeable cross-reference
interchangeable
F2242-000793Interchangeable
interchangeable cross-reference
interchangeable
55104Interchangeable
interchangeable cross-reference
interchangeable
98801Interchangeable
interchangeable cross-reference
interchangeable
607151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7375949?
7375949 is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 7375949?
There are 22 known substitutes for 7375949: 40081420, TH163, F2242-000793 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7375949?
7375949 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-354-1673. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026