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Technical Data Sheet
PartsTable / COMPONENT / 000.750-10UNC-2AX4.500
000.750-10UNC-2AX4.500 ✓ 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 000.750-10UNC-2AX4.500 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-112-0376, 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
000.750-10UNC-2AX4.500
NSN: 5307-01-112-0376
FSC: 5307
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number000.750-10UNC-2AX4.500
NSN5307-01-112-0376
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 000.750-10UNC-2AX4.500 · 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
•
NONDEFINITIVE SPEC/STD DATA: 4 TYPE
•
NOMINAL THREAD SIZE: 0.750 INCHES NUT THREAD IN
•
MATERIAL: STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145
•
THREAD QUANTITY PER INCH: 10 NUT THREAD
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) NUT THREAD
•
THREAD CLASS: 2A NUT THREAD A
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A193,B7 ASSN STD ALL MATERIAL RESPONSES
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA4 TYPE
NOMINAL THREAD SIZE0.750 INCHES NUT THREAD IN
MATERIALSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145
THREAD QUANTITY PER INCH10 NUT THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD
THREAD CLASS2A NUT THREAD A
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A193,B7 ASSN STD ALL MATERIAL RESPONSES
CRITICALITY CODE JUSTIFICATIONZZZY
THREAD DIRECTIONRIGHT-HAND NUT THREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
000.625-11UNC-2AX5.000Interchangeable
interchangeable cross-reference
interchangeable
688-1864 APPX 2/MIL-B-857Interchangeable
interchangeable cross-reference
interchangeable
688-1864 APPX 2Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-1222G 3/4IN 10UNCX4-1/2LInterchangeable
interchangeable cross-reference
interchangeable
000.750-10UNC-2AX4.500Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 000.750-10UNC-2AX4.500?
000.750-10UNC-2AX4.500 is a 000.750-10UNC-2AX4.500.
What parts can replace 000.750-10UNC-2AX4.500?
There are 12 known substitutes for 000.750-10UNC-2AX4.500: 000.625-11UNC-2AX5.000, 688-1864 APPX 2/MIL-B-857, 688-1864 APPX 2 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 000.750-10UNC-2AX4.500?
000.750-10UNC-2AX4.500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-112-0376. 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