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Technical Data Sheet
0280-D PC 21 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, center_hole_diameter: 0.500 INCHES NOMINAL IN, cross-sectional_height: 0.094 INCHES NOMINAL IN, cross-sectional_shape_style: O-RING, criticality_code_justification: ZZZW, material_document_and_classification: MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-195-8069, 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
0280-D PC 21
NSN: 5330-01-195-8069
FSC: 5330
CAGE: 53154 — PORTLAND VALVE LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
center_hole_diameter0.500 INCHES NOMINAL IN
cross-sectional_height0.094 INCHES NOMINAL IN
cross-sectional_shape_styleO-RING
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
material_document_and_classificationMIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-195-8069
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0280-D PC 21 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 DOCUMENT AND CLASSIFICATION: MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE DIAMETER: 0.500 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION: ZZZW
CROSS-SECTIONAL HEIGHT: 0.094 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: O-RING
MATERIAL: RUBBER SYNTHETIC OVERALL
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE DIAMETER0.500 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZW
CROSS-SECTIONAL HEIGHT0.094 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEO-RING
MATERIALRUBBER SYNTHETIC OVERALL
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
M83248/1-112Interchangeable
interchangeable cross-reference
interchangeable
878112Interchangeable
interchangeable cross-reference
interchangeable
M83248-1-112ESInterchangeable
interchangeable cross-reference
interchangeable
Q4112-514ADInterchangeable
interchangeable cross-reference
interchangeable
CN2-Q4112-514ADInterchangeable
interchangeable cross-reference
interchangeable
04112MILR25897Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0280-D PC 21?
0280-D PC 21 is a PACKING,PREFORMED.
What parts can replace 0280-D PC 21?
There are 6 known substitutes for 0280-D PC 21: M83248/1-112, 878112, M83248-1-112ES and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0280-D PC 21?
0280-D PC 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-195-8069. This indicates validated use in U.S. government and defense supply chains.
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