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Technical Data Sheet
03742 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 53.0 MILLIMETERS NOMINAL MM, style_designator: CIRCULAR, aperture_diameter: 39.5 MILLIMETERS MINIMUM AND 40.5 MILLIMETERS MAXIMUM MM, end_item_identification: POK VARI-NOZZLE, FIRE HOSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-595-9220, 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
03742
NSN: 5330-01-595-9220
FSC: 5330
CAGE: 7EL13 — MARTECH FIRE SOLUTIONS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter53.0 MILLIMETERS NOMINAL MM
style_designatorCIRCULAR
aperture_diameter39.5 MILLIMETERS MINIMUM AND 40.5 MILLIMETERS MAXIMUM MM
end_item_identificationPOK VARI-NOZZLE, FIRE HOSE
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-595-9220
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 03742 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 OVERALL
APERTURE DIAMETER: 39.5 MILLIMETERS MINIMUM AND 40.5 MILLIMETERS MAXIMUM MM
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER: 53.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATOR: CIRCULAR
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
APERTURE DIAMETER39.5 MILLIMETERS MINIMUM AND 40.5 MILLIMETERS MAXIMUM MM
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER53.0 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONPOK VARI-NOZZLE, FIRE HOSE
STYLE DESIGNATORCIRCULAR
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
37165Interchangeable
interchangeable cross-reference
interchangeable
1172-762Interchangeable
interchangeable cross-reference
interchangeable
H-73602Interchangeable
interchangeable cross-reference
interchangeable
1620-35-42Interchangeable
interchangeable cross-reference
interchangeable
35-42Interchangeable
interchangeable cross-reference
interchangeable
N-117080-AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 03742?
03742 is a GASKET.
What parts can replace 03742?
There are 16 known substitutes for 03742: 37165, 1172-762, H-73602 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 03742?
03742 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-595-9220. This indicates validated use in U.S. government and defense supply chains.
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