Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.734 INCHES NOMINAL IN, cross-sectional_height: 0.139 INCHES NOMINAL IN, end_item_identification: 2 IN. SEA WATER PRESSURE REDUCING VALVE IN.
This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-587-1914, 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
40402-4 PC 43
NSN:5331-01-587-1914 FSC:5331 — O-RING CAGE:55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating
75.0 SHORE DUROMETER A NOMINAL
center_hole_diameter
1.734 INCHES NOMINAL IN
cross-sectional_height
0.139 INCHES NOMINAL IN
end_item_identification
2 IN. SEA WATER PRESSURE REDUCING VALVE IN
material_document_and_classification
MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agency
STEM O-RING
NSN
5331-01-587-1914
COMPONENT DIAGRAM
KEY FEATURES
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
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FREQUENTLY ASKED QUESTIONS
What is 40402-4 PC 43?
40402-4 PC 43 is a O-RING.
What parts can replace 40402-4 PC 43?
There are 9 known substitutes for 40402-4 PC 43: 428-02, 1315-260-0015, 1315-C120 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40402-4 PC 43?
40402-4 PC 43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-587-1914. This indicates validated use in U.S. government and defense supply chains.
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