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PartsTable / COMPONENT / 4528B
4528B ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: COPPER ALLOY OVERALL, body_width: 0.245 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN, body_height: 0.200 INCHES MAXIMUM IN, body_length: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, outside_diameter: 6.843 INCHES NOMINAL IN, style_designator: CIRCULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-051-4005, 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
4528B
NSN: 5330-00-051-4005
FSC: 5330
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_width0.245 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
body_height0.200 INCHES MAXIMUM IN
body_length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
outside_diameter6.843 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter6.468 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED AND RESETTABLE AND RETRIGGERABLE
output_logic_formCOMPLEMENTARY-OXIDIZED-SILICON LOGIC
inclosure_materialCERAMIC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
inclosure_configurationDUAL-IN-LINE
NSN5330-00-051-4005
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4528B 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
•
APERTURE DIAMETER: 6.468 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 6.843 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
MATERIAL: COPPER ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 SOFT ANNEALED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER6.468 INCHES NOMINAL IN
OUTSIDE DIAMETER6.843 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 SOFT ANNEALED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
SS-5824-2-27 K27Interchangeable
interchangeable cross-reference
interchangeable
515-B-4Interchangeable
interchangeable cross-reference
interchangeable
PR5515-1Interchangeable
interchangeable cross-reference
interchangeable
4528BInterchangeable
interchangeable cross-reference
interchangeable
4528BDMAInterchangeable
interchangeable cross-reference
interchangeable
4528BDMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4528B?
4528B is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 4528B?
There are 9 known substitutes for 4528B: SS-5824-2-27 K27, 515-B-4, PR5515-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4528B?
4528B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-051-4005. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026