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20875-7-3 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20875-7-3: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, outside_diameter: 20.875 INCHES MINIMUM AND 20.880 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 20.621 INCHES MINIMUM AND 20.644 INCHES MAXIMUM IN, fsc_application_data: ENGINE,AIRCRAFT,JET, cross-sectional_thickness: 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-641-8174, 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
20875-7-3
NSN: 5330-00-641-8174
FSC: 5330 — Packing and Gasket Materials
CAGE: 04319 — PARKER-HANNIFIN CORPORATION DBA PARKER HANNIFIN ADVANCED PRODUCTS CO DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
outside_diameter20.875 INCHES MINIMUM AND 20.880 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter20.621 INCHES MINIMUM AND 20.644 INCHES MAXIMUM IN
fsc_application_dataENGINE,AIRCRAFT,JET
cross-sectional_thickness0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
cross-sectional_shape_styleHOLLOW
material_document_and_classificationAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-641-8174
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20875-7-3 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
•
FSC APPLICATION DATA: ENGINE,AIRCRAFT,JET
•
CROSS-SECTIONAL THICKNESS: 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: HOLLOW
•
OUTSIDE DIAMETER: 20.875 INCHES MINIMUM AND 20.880 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 20.621 INCHES MINIMUM AND 20.644 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE,AIRCRAFT,JET
CROSS-SECTIONAL THICKNESS0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEHOLLOW
OUTSIDE DIAMETER20.875 INCHES MINIMUM AND 20.880 INCHES MAXIMUM IN
APERTURE DIAMETER20.621 INCHES MINIMUM AND 20.644 INCHES MAXIMUM IN
MATERIALSTEEL COMP 321 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
EON-020875-07-03-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20875-7-3?
20875-7-3 is a GASKET.
What parts can replace 20875-7-3?
There is 1 known substitute for 20875-7-3: EON-020875-07-03-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 20875-7-3?
20875-7-3 is cataloged in the U.S. Government catalog under NSN 5330-00-641-8174. This indicates validated use in U.S. government and defense supply chains.
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