PartsTable
Technical Data Sheet
74388 ✓ Verified by PartsTable
Hotpoint · 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 ROCKER ARM,ENGINE POPPET VALVE is a Hotpoint industrial component. Key specifications include material: STEEL COMP 440C OVERALL, shank_length: 0.415 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN, overall_length: 0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN, shank_diameter: 0.1545 INCHES MINIMUM AND 0.1555 INCHES MAXIMUM IN, surface_finish: 8.0 MICROINCHES SQUARE END, first_end_style: OVAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-914-7260, 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
74388
NSN: 5305-00-914-7260
FSC: 5305
CAGE: 47486 — PITNEY BOWES INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
shank_length0.415 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
overall_length0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
shank_diameter0.1545 INCHES MINIMUM AND 0.1555 INCHES MAXIMUM IN
surface_finish8.0 MICROINCHES SQUARE END
first_end_styleOVAL
second_end_styleSQUARE
special_featuresUSED ON A PUMP
style_designatorSHOULDER
shoulder_diameter0.250 INCHES NOMINAL IN
surface_treatmentCHROMIUM OVERALL
first_end_locationRADIUS END
NSN5305-00-914-7260
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74388 · Hotpoint ⚠ 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 STYLE: FLAT CHAMFER
SCREW MATERIAL: STEEL
THREAD DIRECTION: RIGHT-HAND
THREAD CLASS: 2A A
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
SCREW SURFACE TREATMENT: NICKEL
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT CHAMFER
SCREW MATERIALSTEEL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SCREW SURFACE TREATMENTNICKEL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
NOMINAL THREAD DIAMETER0.125 INCHES IN
HEAD HEIGHT0.062 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
86219Interchangeable
interchangeable cross-reference
interchangeable
74388Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74388?
74388 is a ROCKER ARM,ENGINE POPPET VALVE manufactured by Hotpoint.
What parts can replace 74388?
There are 2 known substitutes for 74388: 86219, 74388. Substitute compatibility should be verified for your specific system.
What is the NSN for 74388?
74388 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-914-7260. This indicates validated use in U.S. government and defense supply chains.
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