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SCH-347 ✓ 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 THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: KNURLED NO. 1, head_height: 0.562 INCHES NOMINAL IN, point_style: UNIVERSAL, thread_class: 2A A.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-335-7059, 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
SCH-347
NSN: 5305-01-335-7059
FSC: 5305
CAGE: 01226 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA VLIER DIV VLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleKNURLED NO. 1
head_height0.562 INCHES NOMINAL IN
point_styleUNIVERSAL
thread_class2A A
head_diameter1.250 INCHES NOMINAL IN
hole_diameter0.400 INCHES NOMINAL IN
hole_quantity1
thread_length1.846 INCHES NOMINAL IN
fastener_length2.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5305-01-335-7059
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SCH-347 · 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
•
HOLE TYPE: DRILLED
•
THREAD DIRECTION: RIGHT-HAND
•
HOLE CONFIGURATION STYLE: ROUND LONGITUDINAL HOLE
•
THREAD QUANTITY PER INCH: 13
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE TYPEDRILLED
THREAD DIRECTIONRIGHT-HAND
HOLE CONFIGURATION STYLEROUND LONGITUDINAL HOLE
THREAD QUANTITY PER INCH13
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEKNURLED NO. 1
FASTENER LENGTH2.000 INCHES NOMINAL IN
HOLE DIAMETER0.400 INCHES NOMINAL IN
POINT SWIVEL INCLUDED ANGLE7.50 DEGREES NOMINAL
THREAD LENGTH1.846 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A-A-59553Interchangeable
interchangeable cross-reference
interchangeable
AM-11Interchangeable
interchangeable cross-reference
interchangeable
WW-C-633TYPE1Interchangeable
interchangeable cross-reference
interchangeable
1400AS110-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SCH-347?
SCH-347 is a THUMBSCREW.
What parts can replace SCH-347?
There are 4 known substitutes for SCH-347: A-A-59553, AM-11, WW-C-633TYPE1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SCH-347?
SCH-347 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-335-7059. 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