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Technical Data Sheet
302537 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CUSHION,CHIN,OPERATOR is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: RUBBER,SPONGE,MIL-R-5001 TYPE 2 GRADE B SOFT,3.000 IN. DIA,2.000 IN.

THK IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-4854, 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
302537
NSN: 5331-00-291-4854
FSC: 5331 — O-RING
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionRUBBER,SPONGE,MIL-R-5001 TYPE 2 GRADE B SOFT,3.000 IN. DIA,2.000 IN. THK IN
NSN5331-00-291-4854
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 302537 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
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER: 1.353 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 1.568 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER1.353 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.568 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2-213N525-60Interchangeable
interchangeable cross-reference
interchangeable
AS568-213Interchangeable
interchangeable cross-reference
interchangeable
AMS3212Interchangeable
interchangeable cross-reference
interchangeable
PD5330-231-8Interchangeable
interchangeable cross-reference
interchangeable
AS568-236Interchangeable
interchangeable cross-reference
interchangeable
3-904 N525-60Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 302537?
302537 is a CUSHION,CHIN,OPERATOR.
What parts can replace 302537?
There are 17 known substitutes for 302537: 2-213N525-60, AS568-213, AMS3212 and 14 more. Substitute compatibility should be verified for your specific system.
Is 302537 still available?
302537 is currently cancelled.
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