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Technical Data Sheet
4012-53 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, design_type: GLASS, special_features: STYLE/CONFIGURATION TOTALIZER BRONZE, center_hole_diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN, inlet_connection_size: 1/2 IN NPS WITH 5/8 IN COUPLING IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM 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 5331-01-022-3839, 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
4012-53
NSN: 5331-01-022-3839
FSC: 5331 — O-RING
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
design_typeGLASS
special_featuresSTYLE/CONFIGURATION TOTALIZER BRONZE
center_hole_diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
inlet_connection_size1/2 IN NPS WITH 5/8 IN COUPLING IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
metering_tube_quantity1
end_item_identificationBROMINATOR, R
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyFLOWMETER
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5331-01-022-3839
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4012-53 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 HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC
CENTER HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
CENTER HOLE DIAMETER0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4012-53CPInterchangeable
interchangeable cross-reference
interchangeable
4012-53Interchangeable
interchangeable cross-reference
interchangeable
PR52THRUPR57 ITEM4Interchangeable
interchangeable cross-reference
interchangeable
5975-03-L00-0279Interchangeable
interchangeable cross-reference
interchangeable
40253Interchangeable
interchangeable cross-reference
interchangeable
22800 REV E PC NO 8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4012-53?
4012-53 is a RELAY,ELECTROMAGNETIC.
What parts can replace 4012-53?
There are 8 known substitutes for 4012-53: 4012-53CP, 4012-53, PR52THRUPR57 ITEM4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4012-53?
4012-53 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-022-3839. This indicates validated use in U.S. government and defense supply chains.
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