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PartsTable / COMPONENT / 41073Z
41073Z ✓ 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 COMP 1020 OVERALL, head_style: FLAT CHAMFER, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_length: 0.531 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-263-8912, 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
41073Z
NSN: 5306-00-263-8912
FSC: 5306
CAGE: 13445 — COLE HERSEE COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
head_styleFLAT CHAMFER
head_height0.188 INCHES NOMINAL IN
thread_class2A A
head_diameter0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length0.531 INCHES MINIMUM IN
fastener_length0.781 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedCASEHARDENED AND UNFINISHED HEAD
width_between_flats0.188 INCHES NOMINAL IN
minimum_yield_strength30000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-263-8912
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 41073Z · 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: 0.531 INCHES MINIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL COMP 1020 OVERALL
•
FEATURES PROVIDED: CASEHARDENED AND UNFINISHED HEAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HEAD DIAMETER: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.531 INCHES MINIMUM IN
THREAD SERIES DESIGNATORUNF
THREAD CLASS2A A
MATERIALSTEEL COMP 1020 OVERALL
FEATURES PROVIDEDCASEHARDENED AND UNFINISHED HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD DIAMETER0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HEAD HEIGHT0.188 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
2271Upgraded Successor
successor cross-reference
successor
TM-FTM-F282RUpgraded Successor
successor cross-reference
successor
6515NCM041014Upgraded Successor
successor cross-reference
successor
90-40270-02Upgraded Successor
successor cross-reference
successor
90-33450-02Upgraded Successor
successor cross-reference
successor
MIL-H-43905/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 41073Z?
41073Z is a BOLT,MACHINE.
What parts can replace 41073Z?
There are 25 known substitutes for 41073Z: 2271, TM-FTM-F282R, 6515NCM041014 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 41073Z?
41073Z is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-263-8912. 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