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Technical Data Sheet
PartsTable / COMPONENT / 0.37516UNRC3AX1.750L
0.37516UNRC3AX1.750L ✓ 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 0.37516UNRC3AX1.750L is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-327-0910, 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
0.37516UNRC3AX1.750L
NSN: 5305-01-327-0910
FSC: 5305
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part Number0.37516UNRC3AX1.750L
NSN5305-01-327-0910
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.37516UNRC3AX1.750L · 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
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
THREAD LENGTH: 1.391 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
MATERIAL: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
NONDEFINITIVE SPEC/STD DATA: 4 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
THREAD LENGTH1.391 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
FASTENER LENGTH1.750 INCHES NOMINAL IN
INTERNAL DRIVE STYLEHEXAGON
NONDEFINITIVE SPEC/STD DATA4 TYPE
THREAD QUANTITY PER INCH16
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
7409019Interchangeable
interchangeable cross-reference
interchangeable
14761Interchangeable
interchangeable cross-reference
interchangeable
FF-S-92Interchangeable
interchangeable cross-reference
interchangeable
3/8-16UNC-3A X 1 3/4 IN. LGInterchangeable
interchangeable cross-reference
interchangeable
74090Interchangeable
interchangeable cross-reference
interchangeable
74090 FIND NO 19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.37516UNRC3AX1.750L?
0.37516UNRC3AX1.750L is a 0.37516UNRC3AX1.750L.
What parts can replace 0.37516UNRC3AX1.750L?
There are 13 known substitutes for 0.37516UNRC3AX1.750L: 7409019, 14761, FF-S-92 and 10 more. Substitute compatibility should be verified for your specific system.
Is 0.37516UNRC3AX1.750L still available?
0.37516UNRC3AX1.750L is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026