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Technical Data Sheet
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42186-GCX — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

42186-GCX: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, head_style: HEXAGON, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 0.437 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: VALVE GATE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-468-5128, 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
42186-GCX
NSN: 5306-01-468-5128
FSC: 5306 — Bolts
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
head_styleHEXAGON
thread_length1.000 INCHES NOMINAL IN
fastener_length0.437 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identificationVALVE GATE
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
material_document_and_classificationQQ-N-81,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-468-5128
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 42186-GCX · 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
•
FASTENER LENGTH: 0.437 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-81,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 18
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.437 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-81,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
END ITEM IDENTIFICATIONVALVE GATE
THREAD QUANTITY PER INCH18
MATERIALNICKEL ALLOY OVERALL
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
84448-2 ITEM 13 2.5INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42186-GCX?
42186-GCX is a BOLT,MACHINE.
What parts can replace 42186-GCX?
There is 1 known substitute for 42186-GCX: 84448-2 ITEM 13 2.5IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 42186-GCX?
42186-GCX is cataloged in the U.S. Government catalog under NSN 5306-01-468-5128. This indicates validated use in U.S. government and defense supply chains.
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