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Technical Data Sheet
PartsTable / COMPONENT / 0.375 16UNC-3A X 1.380
0.375 16UNC-3A X 1.380 ✓ 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 0.375 16UNC-3A X 1.380 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-357-0985, 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
0.375 16UNC-3A X 1.380
NSN: 5305-01-357-0985
FSC: 5305
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part Number0.375 16UNC-3A X 1.380
NSN5305-01-357-0985
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.375 16UNC-3A X 1.380 · 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
•
WIDTH ACROSS FLATS: 0.219 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.360 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: FLAT COUNTERSUNK
•
MATERIAL: NICKEL ALLOY 500 OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.219 INCHES NOMINAL IN
FASTENER LENGTH1.360 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFLAT COUNTERSUNK
MATERIALNICKEL ALLOY 500 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS3A A
THREAD QUANTITY PER INCH16
HEAD DIAMETER0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
INTERNAL DRIVE STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3A1809Interchangeable
interchangeable cross-reference
interchangeable
KC9605Interchangeable
interchangeable cross-reference
interchangeable
D7736-6-6Interchangeable
interchangeable cross-reference
interchangeable
0.375 16UNC X 1.380Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.375 16UNC-3A X 1.380?
0.375 16UNC-3A X 1.380 is a 0.375 16UNC-3A X 1.380.
What parts can replace 0.375 16UNC-3A X 1.380?
There are 4 known substitutes for 0.375 16UNC-3A X 1.380: 3A1809, KC9605, D7736-6-6 and 1 more. Substitute compatibility should be verified for your specific system.
Is 0.375 16UNC-3A X 1.380 still available?
0.375 16UNC-3A X 1.380 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