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Technical Data Sheet
PartsTable / COMPONENT / 287788
287788 ✓ 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 SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, fsc_application_data: ENGINE,RECIPROCATING,ACFT, housing_bore_diameter: 1.002 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-682-5532, 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
287788
NSN: 5305-00-682-5532
FSC: 5305
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
fsc_application_dataENGINE,RECIPROCATING,ACFT
housing_bore_diameter1.002 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.500 INCHES NOMINAL IN
NSN5305-00-682-5532
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 287788 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SHOULDER LENGTH: 0.062 INCHES NOMINAL FIRST SHOULDER IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
INTERNAL DRIVE STYLE: W/O INTERNAL DRIVE
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
SHOULDER LENGTH0.062 INCHES NOMINAL FIRST SHOULDER IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIALSTEEL CORROSION RESISTING OVERALL
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
HEAD STYLEHEXAGON
HEAD HEIGHT0.094 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
287788Interchangeable
interchangeable cross-reference
interchangeable
14538Interchangeable
interchangeable cross-reference
interchangeable
287778Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 287788?
287788 is a SCREW,SHOULDER.
What parts can replace 287788?
There are 3 known substitutes for 287788: 287788, 14538, 287778. Substitute compatibility should be verified for your specific system.
What is the NSN for 287788?
287788 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-682-5532. 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