PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 0278
0278 ✓ Verified by PartsTable
Multibrackets · 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

Multibrackets Pro Series M Wallmount Pro MBW2U Tilt 300 Black is our innovative - ready to be installed Single-Display Wallmount. <br><br>The new professional Pro Series A/V line from Multibrackets was designed with the installer in mind. Modular, easy to configure, quick to install, and simple to maintain.

Working closely with installers we created a range with close to unlimited flexibility. This model the M Wallmount Pro MBW2U Tilt 300 Black is no exception. The product provides the versatility and flexibility demanded by installers.

Based upon the Pro Series strong and ultra-flexible aluminum rail it is completely modular and has built in cable management throughout the entire solution to quicken installation and creating an esthetic result worth the public eye. <br><br>With its modular construction installers have vast possibilities to change, create, update and reconfigure its design if ideas change over time, then Pro Series can follow. <br><br><br><br> <br><br><br>Designed with This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-144-3709, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
0278
NSN: 5306-00-144-3709
FSC: 5306
CAGE: 48431 — POWER INDUSTRIES INC (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.062 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.187 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter2.375 INCHES NOMINAL IN
outside_corner_radius0.344 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center0.938 INCHES NOMINAL IN
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5306-00-144-3709
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0278 · Multibrackets ⚠ 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: 1.281 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.469 INCHES MINIMUM IN
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
THREAD CLASS: 3A A
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH1.281 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.469 INCHES MINIMUM IN
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A A
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
GRIP LENGTH0.812 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
C8664Interchangeable
interchangeable cross-reference
interchangeable
2C5033Interchangeable
interchangeable cross-reference
interchangeable
A239Interchangeable
interchangeable cross-reference
interchangeable
A239LInterchangeable
interchangeable cross-reference
interchangeable
S4-12Interchangeable
interchangeable cross-reference
interchangeable
BLM4527Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0278?
0278 is a BOLT,MACHINE manufactured by Multibrackets.
What parts can replace 0278?
There are 22 known substitutes for 0278: C8664, 2C5033, A239 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0278?
0278 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-144-3709. 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