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211039287 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

211039287: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC FLUOROCARBON, center_hole_diameter: 5.225 INCHES NOMINAL IN, cross-sectional_height: 0.275 INCHES NOMINAL IN, end_item_identification: BALL VALVE 3.50 NPS., departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-553-4068, 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
211039287
NSN: 5331-01-553-4068
FSC: 5331 — O-ring
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON
center_hole_diameter5.225 INCHES NOMINAL IN
cross-sectional_height0.275 INCHES NOMINAL IN
end_item_identificationBALL VALVE 3.50 NPS.
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5331-01-553-4068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211039287 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: 0.275 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
CENTER HOLE DIAMETER: 5.225 INCHES NOMINAL IN
•
MATERIAL: PLASTIC FLUOROCARBON
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.275 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CENTER HOLE DIAMETER5.225 INCHES NOMINAL IN
END ITEM IDENTIFICATIONBALL VALVE 3.50 NPS.
MATERIALPLASTIC FLUOROCARBON
SUBSTITUTES & CROSS-REFERENCES 9
AS3209-431CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SAE-AS3209CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
803-INC6701-A ITEM NO.19CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS3209-431Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
CD-023-42-19CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M83248/1-431CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211039287?
211039287 is a O-RING.
What parts can replace 211039287?
There are 9 known substitutes for 211039287: AS3209-431CP, SAE-AS3209CP, 803-INC6701-A ITEM NO.19CP and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 211039287?
211039287 is cataloged in the U.S. Government catalog under NSN 5331-01-553-4068. This indicates validated use in U.S. government and defense supply chains.
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