PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 33305
33305 ✓ Verified by PartsTable
be quiet! · 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

"Pure Wings 2 – Outstanding Reliability and Silent Cooling.<br><br>The Pure Wings 2 140mm fans bring famous be quiet! silent cooling to entry level computing, yet are also appropriate for gaming and multimedia systems. <br><br>Combining outstanding reliability, quiet operation, and a great price-for-performance ratio, Pure Wings 2 140mm is unique in its class. They are the ultimate reason to put well-known be quiet! silent cooling in your PC."<br><b><br>VERY QUIET OPERATION</b><br>Achieves a great price-for-performance ratio<br>The Pure Wings 2 140mm fan operates at only 18.8dB(A) even at maximum speed.

The perfect choice for silent home and office PCs as well as gaming and multimedia systems.<br><br><b>SILENCE-OPTIMIZED FAN BLADES</b><br>For even better cooling<br>Thanks to its surface-optimized fan blades the airflow is enhanced, noise-generating turbulences are minimized and the air pressure is increased. This feature is the key to effective cooling.<br><br><b>RIFLE BEARING TECHNOLO This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-5573, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
33305
NSN: 5305-00-206-5573
FSC: 5305
CAGE: 32242 — JOHNSON CONTROLS, INC DIV BUILDING EFFICIENCY (USA)
SPECIFICATIONS
width8.000 INCHES NOMINAL IN
height5.750 INCHES NOMINAL IN
length9.438 INCHES NOMINAL IN
materialCOPPER ALLOY 511 CONTACTCOPPER ALLOY 511 CONTACT
body_styleTOP MOUNTTOP MOUNT
head_styleHEXAGON
design_typeFIXED
head_height0.312 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
overall_height0.313 INCHES NOMINAL0.313 INCHES NOMINAL IN
overall_length3.123 INCHES MINIMUM AND 3.313 INCHES MAXIMUM IN
NSN5305-00-206-5573
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 33305 · be quiet! ⚠ 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
•
INTERNAL DRIVE STYLE: SLOT
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FIRST DIAMETER FROM HEAD: 0.312 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 1.330 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 1.312 INCHES NOMINAL IN
•
SECOND DIAMETER FROM HEAD: 0.276 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
HEAD HEIGHT: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.312 INCHES IN
FIRST DIAMETER FROM HEAD0.312 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.330 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.312 INCHES NOMINAL IN
SECOND DIAMETER FROM HEAD0.276 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
HEAD HEIGHT0.312 INCHES NOMINAL IN
SPECIAL FEATURESTHD END MACHINED TO 45.0 DEG POINT 1.250 OF THD EXTENDS FROM TIP OF POINT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
VTM42-40-75-20MER1-14Interchangeable
interchangeable cross-reference
interchangeable
45074Interchangeable
interchangeable cross-reference
interchangeable
AW7Interchangeable
interchangeable cross-reference
interchangeable
7/32Interchangeable
interchangeable cross-reference
interchangeable
1940719Interchangeable
interchangeable cross-reference
interchangeable
33305Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33305?
33305 is a SOCKET,PLUG-IN ELECTRONIC COMPON manufactured by be quiet!.
What parts can replace 33305?
There are 15 known substitutes for 33305: VTM42-40-75-20MER1-14, 45074, AW7 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33305?
33305 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-5573. 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