PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5278-5
5278-5 ✓ Verified by PartsTable
Clementoni · 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

<b>SmartFit® System</b><br><br>Allows you to find your ideal setting, with adjustable snap-in risers that provide 3 height options to match to your personal comfort colour using the included hand chart<br><br><b>Reduce Eye/Neck Strain</b><br><br>By setting your monitor at the proper height that’s in line with your eyes, you can lower the chances you will suffer from aches and pain after spending long hours on the computer<br><br><b>Desktop Optimization</b><br><br>The area underneath the stand is open and can be utilized for accessories storage, allowing you to maximize your desktop space<br><br><b>Sturdy Universal Platform</b><br><br>The base of the stand is large enough to fit a wide variety of standard and widescreen monitors up to 40 lbs. with a screen size of up to 21 inches<br> This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-011-1633, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
5278-5
NSN: 5305-00-011-1633
FSC: 5305
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_stylePAN NO. 2
slot_depth0.188 INCHES SINGLE END IN
slot_width0.031 INCHES SINGLE END IN
head_height0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
largest_width0.156 INCHES SINGLE END IN
overall_height0.485 INCHES IN
fastener_length0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
terminal_length0.282 INCHES IN
overall_diameter0.156 INCHES IN
basic_shape_styleTUBULAR, ROUND
NSN5305-00-011-1633
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5278-5 · Clementoni ⚠ 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: PAN NO. 2
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
MATERIAL: STEEL OVERALL
•
INTERNAL DRIVE STYLE: SLOT
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
HEAD HEIGHT: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
FASTENER LENGTH: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEPAN NO. 2
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
MATERIALSTEEL OVERALL
INTERNAL DRIVE STYLESLOT
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
HEAD HEIGHT0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE
FASTENER LENGTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
NONMACHINE NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
8580Interchangeable
interchangeable cross-reference
interchangeable
18580Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
140-1784-03-01-00Interchangeable
interchangeable cross-reference
interchangeable
1131H-CInterchangeable
interchangeable cross-reference
interchangeable
10-402-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5278-5?
5278-5 is a TERMINAL,STUD manufactured by Clementoni.
What parts can replace 5278-5?
There are 14 known substitutes for 5278-5: 8580, 18580, 00044 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5278-5?
5278-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-011-1633. 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