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Technical Data Sheet
127237A ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 3.570 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.330 INCHES NOMINAL IN, cross-sectional_thickness: 0.117 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-0202, 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
127237A
NSN: 5330-00-641-0202
FSC: 5330
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter3.570 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.330 INCHES NOMINAL IN
cross-sectional_thickness0.117 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000 2BG720BE1E3F1 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5330-00-641-0202
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 127237A 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
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER: 3.570 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BG720BE1E3F1 ASSN STD ALL MATERIAL RESPONSES OVERALL
APERTURE DIAMETER: 3.330 INCHES NOMINAL IN
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
CROSS-SECTIONAL THICKNESS: 0.117 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.570 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BG720BE1E3F1 ASSN STD ALL MATERIAL RESPONSES OVERALL
APERTURE DIAMETER3.330 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
CROSS-SECTIONAL THICKNESS0.117 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
SC52Interchangeable
interchangeable cross-reference
interchangeable
17144-4Interchangeable
interchangeable cross-reference
interchangeable
A902Interchangeable
interchangeable cross-reference
interchangeable
000-8003-300Interchangeable
interchangeable cross-reference
interchangeable
MC54LS00BCBSInterchangeable
interchangeable cross-reference
interchangeable
113-0003-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 127237A?
127237A is a GASKET.
What parts can replace 127237A?
There are 17 known substitutes for 127237A: SC52, 17144-4, A902 and 14 more. Substitute compatibility should be verified for your specific system.
Is 127237A still available?
127237A is currently cancelled.
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