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3/4-10UNC-2A X 3 1/2 INCHES — Technical Data Sheet

✓ 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 STUD,CONTINUOUS THREAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 3.500 INCHES NOMINAL IN, special_features: SPEC. NO.193A, B16,COMP.

ALLOY STEEL K14072, USE ST1057 A, nominal_thread_size: 0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, thread_quantity_per_inch: 10 LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5307-01-241-9333, 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
3/4-10UNC-2A X 3 1/2 INCHES
NSN: 5307-01-241-9333
FSC: 5307
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 416
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
overall_length3.500 INCHES NOMINAL IN
special_featuresSPEC. NO.193A, B16,COMP. ALLOY STEEL K14072, USE ST1057 A
nominal_thread_size0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch10 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
nondefinitive_spec/std_dataB16 GRADE AND 4 TYPE
departure_from_cited_documentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
criticality_code_justificationZZZW
material_document_and_classificationASTM-A-193 ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-01-241-9333
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3/4-10UNC-2A X 3 1/2 INCHES · 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: B16 GRADE AND 4 TYPE
•
MATERIAL: STEEL COMP 416
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
NOMINAL THREAD SIZE: 0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
THREAD CLASS: 2A LOCATION NOT OTHERWISE SPECIFIED A
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS
NONDEFINITIVE SPEC/STD DATAB16 GRADE AND 4 TYPE
MATERIALSTEEL COMP 416
SPECIAL FEATURESSPEC. NO.193A, B16,COMP. ALLOY STEEL K14072, USE ST1057 A
CRITICALITY CODE JUSTIFICATIONZZZW
OVERALL LENGTH3.500 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
DEPARTURE FROM CITED DOCUMENTMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
THREAD QUANTITY PER INCH10 LOCATION NOT OTHERWISE SPECIFIED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-193 ASSN STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1 1/4-8UNC-2A X 8 INCHESL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ASTM-A193 GRADE B16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ASTM-A193 GRADE B16L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE III STYLE DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B16 1/2 13UNC2AX1 3/4INLGL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/4-10UNC-2A X 3 1/2 INCHES?
3/4-10UNC-2A X 3 1/2 INCHES is a STUD,CONTINUOUS THREAD.
What parts can replace 3/4-10UNC-2A X 3 1/2 INCHES?
There are 12 known substitutes for 3/4-10UNC-2A X 3 1/2 INCHES: 1 1/4-8UNC-2A X 8 INCHESL1, ASTM-A193 GRADE B16, MIL-DTL-1222 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3/4-10UNC-2A X 3 1/2 INCHES?
3/4-10UNC-2A X 3 1/2 INCHES is cataloged in the Federal Logistics Information System under NSN 5307-01-241-9333. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026