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AA7M227 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AA7M227: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OR STEEL COMP 1065 SPRING, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, housing_bore_diameter: 1.250 INCHES NOMINAL IN, sealing_element_style: VERTICAL, end_item_identification: SUPPORT EQUIPMENT, C-5 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-298-0668, 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
AA7M227
NSN: 5330-00-298-0668
FSC: 5330 — Packing and Gasket Materials
CAGE: 50803 — DECO-GRAND INC SUB OF GRAND MACHINING CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OR STEEL COMP 1065 SPRING
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
housing_bore_diameter1.250 INCHES NOMINAL IN
sealing_element_styleVERTICAL
end_item_identificationSUPPORT EQUIPMENT, C-5 AIRCRAFT
accommodated_shaft_diameter0.750 INCHES NOMINAL IN
material_document_and_classificationSYNTECH CAGEC 01212 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-298-0668
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AA7M227 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
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
HOUSING BORE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SYNTECH CAGEC 01212 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
HOUSING BORE DIAMETER1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSYNTECH CAGEC 01212 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSUPPORT EQUIPMENT, C-5 AIRCRAFT
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 SPRING
SUBSTITUTES & CROSS-REFERENCES 2
6647SReference document
Same NSN cross-reference
Reference document — Secondary reference
350141S62Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AA7M227?
AA7M227 is a SEAL,PLAIN ENCASED.
What parts can replace AA7M227?
There are 2 known substitutes for AA7M227: 6647S, 350141S62. Substitute compatibility should be verified for your specific system.
What is the NSN for AA7M227?
AA7M227 is cataloged in the U.S. Government catalog under NSN 5330-00-298-0668. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.