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PartsTable / COMPONENT / 2733878
2733878 ✓ 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,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.136 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.222 INCHES NOMINAL IN, thread_length: 0.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-170-7756, 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
2733878
NSN: 5305-01-170-7756
FSC: 5305
CAGE: 3H892 — PARKER HANNIFIN CORP AEROSPACE GROUP AEROSPACE HYDRAULICS DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.136 INCHES NOMINAL IN
thread_class3A A
head_diameter0.222 INCHES NOMINAL IN
thread_length0.750 INCHES NOMINAL IN
fastener_length0.646 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.110 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.135 INCHES IN
NSN5305-01-170-7756
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2733878 · 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 QUANTITY PER INCH: 32
•
THREAD SERIES DESIGNATOR: UNRC
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
WIDTH ACROSS FLATS: 0.110 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNRC
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
WIDTH ACROSS FLATS0.110 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.750 INCHES NOMINAL IN
INTERNAL DRIVE STYLEHEXAGON
HEAD DIAMETER0.222 INCHES NOMINAL IN
FASTENER LENGTH0.646 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
GS839DV3Interchangeable
interchangeable cross-reference
interchangeable
8-006-10Interchangeable
interchangeable cross-reference
interchangeable
550-066Interchangeable
interchangeable cross-reference
interchangeable
VA2531NInterchangeable
interchangeable cross-reference
interchangeable
GPW3224Interchangeable
interchangeable cross-reference
interchangeable
80-0608Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2733878?
2733878 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 2733878?
There are 7 known substitutes for 2733878: GS839DV3, 8-006-10, 550-066 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2733878?
2733878 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-170-7756. 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.
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Last verified: July 2026