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1201T71 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1201T71: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include temp_rating: 0.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.750 INCHES NOMINAL IN, center_hole_diameter: 1.500 INCHES NOMINAL IN, material_document_and_classification: MIL-R-83248C CHEMICAL-RESISTANT VITON FLUOROELASTOMER MIL STD SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: CLEAN ROOM 0-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-642-7646, 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
1201T71
NSN: 5331-01-642-7646
FSC: 5331 — O-ring
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
temp_rating0.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter1.750 INCHES NOMINAL IN
center_hole_diameter1.500 INCHES NOMINAL IN
supplementary_featuresRESISTES BORIC ACID, CITRIC ACID, ISOPROPYPL ALCOHOL, FUELS AND TRANSMISSION FLUIDS; WIDTH; 0.138 INCH; MATERIAL: FLUOROELASTOMER IN
material_document_and_classificationMIL-R-83248C CHEMICAL-RESISTANT VITON FLUOROELASTOMER MIL STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyCLEAN ROOM 0-RING
NSN5331-01-642-7646
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1201T71 MFR: OEM ⚠ 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
•
TEMP RATING: 0.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: RESISTES BORIC ACID, CITRIC ACID, ISOPROPYPL ALCOHOL, FUELS AND TRANSMISSION FLUIDS; WIDTH; 0.138 INCH; MATERIAL: FLUOROELASTOMER IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248C CHEMICAL-RESISTANT VITON FLUOROELASTOMER MIL STD SINGLE MATERIAL RESPONSE
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING0.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESRESISTES BORIC ACID, CITRIC ACID, ISOPROPYPL ALCOHOL, FUELS AND TRANSMISSION FLUIDS; WIDTH; 0.138 INCH; MATERIAL: FLUOROELASTOMER IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248C CHEMICAL-RESISTANT VITON FLUOROELASTOMER MIL STD SINGLE MATERIAL RESPONSE
COLORBLACK
CENTER HOLE DIAMETER1.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCLEAN ROOM 0-RING
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1201T71?
1201T71 is a O-RING.
What is the NSN for 1201T71?
1201T71 is cataloged in the U.S. Government catalog under NSN 5331-01-642-7646. This indicates validated use in U.S. government and defense supply chains.
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