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3541-31-237 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3541-31-237: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ OVERALL, temp_rating: -85.0 CELSIUS AND 500.0 CELSIUS DEGC, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, center_hole_diameter: 3.359 INCHES NOMINAL IN, cross-sectional_height: 0.139 INCHES NOMINAL IN, cross-sectional_shape_style: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-855-8422, 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
3541-31-237
NSN: 5330-00-855-8422
FSC: 5330 — Packing and Gasket Materials
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ OVERALL
temp_rating-85.0 CELSIUS AND 500.0 CELSIUS DEGC
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter3.359 INCHES NOMINAL IN
cross-sectional_height0.139 INCHES NOMINAL IN
cross-sectional_shape_styleO-RING
material_document_and_classificationMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-855-8422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3541-31-237 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: -85.0 CELSIUS AND 500.0 CELSIUS DEGC
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 3.359 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-85.0 CELSIUS AND 500.0 CELSIUS DEGC
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER3.359 INCHES NOMINAL IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
PRP568-237-1133-60Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ARP568-237Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3541-31-237?
3541-31-237 is a PACKING,PREFORMED.
What parts can replace 3541-31-237?
There are 2 known substitutes for 3541-31-237: PRP568-237-1133-60, ARP568-237. Substitute compatibility should be verified for your specific system.
What is the NSN for 3541-31-237?
3541-31-237 is cataloged in the U.S. Government catalog under NSN 5330-00-855-8422. This indicates validated use in U.S. government and defense supply chains.
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