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Technical Data Sheet
181256 ✓ Verified by PartsTable
Hama · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

- Folding case providing perfect all-round protection for the Samsung Galaxy S8+<br>- Slimline design<br>- Slide access to the card compartment: handy finger opening for easy sliding-out of the cards<br>- A horizontal insert compartment on the inside, e.g. for business cards<br>- A large insert compartment running the entire length of the inside<br>- High-quality inside lining with shade-in-shade matching leather colour<br>- High-quality and sturdy leather of the type also used for making gloves<br>- Smartphone holder made from transparent plastic This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-231-1653, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
181256
NSN: 5330-00-231-1653
FSC: 5330
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
phaseTHREE
length2.530 INCHES NOMINAL IN
materialALUMINUM OVERALL
drive_typeDIRECT
air_flow_rate250.000 CUBIC FEET PER MINUTE MINIMUM
flow_directionINWARD
inclosure_typeFULLY INCLOSED
prime_mover_typeELECTRIC MOTOR
style_designatorFIXED
speed_adjustmentsSINGLE SPEED
surface_treatmentENAMEL LUSTERLESS OVERALL
frequency_in_hertz60.0
NSN5330-00-231-1653
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 181256 MFR: Hama ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
020625Interchangeable
interchangeable cross-reference
interchangeable
4140PL1250671Interchangeable
interchangeable cross-reference
interchangeable
19A2007Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 181256?
181256 is a FAN,TUBEAXIAL manufactured by Hama.
What parts can replace 181256?
There are 3 known substitutes for 181256: 020625, 4140PL1250671, 19A2007. Substitute compatibility should be verified for your specific system.
What is the NSN for 181256?
181256 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-231-1653. This indicates validated use in U.S. government and defense supply chains.
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