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PartsTable / COMPONENT / 27-240
27-240 ✓ 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 PARTS KIT,CHECK VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 260, construction: ONE-PIECE, outside_diameter: 0.608 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.388 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, material_document_and_classification: QQ-B-613,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-011-4992, 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
27-240
NSN: 5330-01-011-4992
FSC: 5330
CAGE: 35077 — MAGNUM INTEGRATED TECHNOLOGIES INC. DIV WATERBURY FARREL, HILL ACME, LOMA MACHINE, ANKER-HOLTH (CAN)
SPECIFICATIONS
materialCOPPER ALLOY 260
constructionONE-PIECE
outside_diameter0.608 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.388 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
material_document_and_classificationQQ-B-613,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE
NSN5330-01-011-4992
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27-240 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
29378-1Interchangeable
interchangeable cross-reference
interchangeable
27240Interchangeable
interchangeable cross-reference
interchangeable
1150-28310 ITEM 18Interchangeable
interchangeable cross-reference
interchangeable
CB27471-017Interchangeable
interchangeable cross-reference
interchangeable
192861179Interchangeable
interchangeable cross-reference
interchangeable
88442Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27-240?
27-240 is a PARTS KIT,CHECK VALVE.
What parts can replace 27-240?
There are 8 known substitutes for 27-240: 29378-1, 27240, 1150-28310 ITEM 18 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27-240?
27-240 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-011-4992. 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