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Technical Data Sheet
PartsTable / COMPONENT / 3/4-10UNC-2A X 2IN,TYI,CLASS A
3/4-10UNC-2A X 2IN,TYI,CLASS A ✓ 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 3/4-10UNC-2A X 2IN,TYI,CLASS A 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 5305-01-255-3503, 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 2IN,TYI,CLASS A
NSN: 5305-01-255-3503
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part Number3/4-10UNC-2A X 2IN,TYI,CLASS A
NSN5305-01-255-3503
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3/4-10UNC-2A X 2IN,TYI,CLASS A · 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 DIRECTION: RIGHT-HAND
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMSOL INSTRUCTION FOR LEVEL 1 ITEMS
•
NONDEFINITIVE SPEC/STD DATA: 400 GRADE
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
THREAD LENGTH: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
DEPARTURE FROM CITED DOCUMENTMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMSOL INSTRUCTION FOR LEVEL 1 ITEMS
NONDEFINITIVE SPEC/STD DATA400 GRADE
CRITICALITY CODE JUSTIFICATIONZZZW
THREAD LENGTH2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
7/8-9UNC-2A X 4IN CLASS A TYPL1Interchangeable
interchangeable cross-reference
interchangeable
MS35311-217Interchangeable
interchangeable cross-reference
interchangeable
MS35311-217L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 QQ-N-281 GR400L1Interchangeable
interchangeable cross-reference
interchangeable
3/4-10UNC-2A X 2 3/4 TYPE 1 CLL1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 QQ-N-281 GR400Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/4-10UNC-2A X 2IN,TYI,CLASS A?
3/4-10UNC-2A X 2IN,TYI,CLASS A is a 3/4-10UNC-2A X 2IN,TYI,CLASS A.
What parts can replace 3/4-10UNC-2A X 2IN,TYI,CLASS A?
There are 19 known substitutes for 3/4-10UNC-2A X 2IN,TYI,CLASS A: 7/8-9UNC-2A X 4IN CLASS A TYPL1, MS35311-217, MS35311-217L1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3/4-10UNC-2A X 2IN,TYI,CLASS A?
3/4-10UNC-2A X 2IN,TYI,CLASS A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-255-3503. 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