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PartsTable / COMPONENT / F3C10089 ITEM 21CP
F3C10089 ITEM 21CP ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL OVERALL, material: PLASTIC TETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL OVERALL, peripheral_diameter: 0.479 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN, center_hole_diameter: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN, cross-sectional_height: 0.045 INCHES MINIMUM AND 0.052 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 5330-01-020-9511, 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
F3C10089 ITEM 21CP
NSN: 5330-01-020-9511
FSC: 5330
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC TETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL OVERALL
peripheral_diameter0.479 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
center_hole_diameter0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
cross-sectional_height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
material_document_and_classificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-020-9511
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: F3C10089 ITEM 21CP 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: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
CUT TYPE: DIAGONAL OVERALL
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 0.479 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CUT TYPEDIAGONAL OVERALL
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CRITICALITY CODE JUSTIFICATIONZZZW
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER0.479 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
JOINT TYPESCARF-PERIPHERAL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
026-00308CPInterchangeable
interchangeable cross-reference
interchangeable
S1E10074 ITEM 48Interchangeable
interchangeable cross-reference
interchangeable
N830SH1PC770XCLNInterchangeable
interchangeable cross-reference
interchangeable
S11248-12Interchangeable
interchangeable cross-reference
interchangeable
1012322C00Interchangeable
interchangeable cross-reference
interchangeable
F3C10057PC29Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F3C10089 ITEM 21CP?
F3C10089 ITEM 21CP is a RETAINER,PACKING.
What parts can replace F3C10089 ITEM 21CP?
There are 18 known substitutes for F3C10089 ITEM 21CP: 026-00308CP, S1E10074 ITEM 48, N830SH1PC770XCLN and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F3C10089 ITEM 21CP?
F3C10089 ITEM 21CP is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-020-9511. 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