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Technical Data Sheet
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GYS188-35 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GYS188-35: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON, grip_length: 2.187 INCHES NOMINAL IN, head_height: 0.281 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-004-4546, 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
GYS188-35
NSN: 5306-01-004-4546
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON
grip_length2.187 INCHES NOMINAL IN
head_height0.281 INCHES NOMINAL IN
thread_class3A A
thread_length0.812 INCHES NOMINAL IN
fastener_length3.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.741 INCHES NOMINAL IN
end_item_identificationAIRCRAFT, THUNDERBOLT II, A-10
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
NSN5306-01-004-4546
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GYS188-35 · 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
•
HEAD HEIGHT: 0.281 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.812 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 2.187 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.741 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES NOMINAL IN
FASTENER LENGTH3.000 INCHES NOMINAL IN
THREAD LENGTH0.812 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEDOUBLE HEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.187 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.741 INCHES NOMINAL IN
THREAD CLASS3A A
END ITEM IDENTIFICATIONAIRCRAFT, THUNDERBOLT II, A-10
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
GYS18-35Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GYS188-35?
GYS188-35 is a BOLT,MACHINE.
What parts can replace GYS188-35?
There is 1 known substitute for GYS188-35: GYS18-35. Substitute compatibility should be verified for your specific system.
What is the NSN for GYS188-35?
GYS188-35 is cataloged in the U.S. Government catalog under NSN 5306-01-004-4546. This indicates validated use in U.S. government and defense supply chains.
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