PartsTable
Technical Data Sheet
A277280 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, outside_diameter: 0.570 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.380 INCHES NOMINAL IN, cross-sectional_thickness: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-176-4123, 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
A277280
NSN: 5330-00-176-4123
FSC: 5330
CAGE: 76040 — MACK TRUCKS INC PARTS OPN (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
outside_diameter0.570 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.380 INCHES NOMINAL IN
cross-sectional_thickness0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-176-4123
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A277280 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
OUTSIDE DIAMETER: 0.570 INCHES NOMINAL IN
APERTURE DIAMETER: 0.380 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL: CELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.570 INCHES NOMINAL IN
APERTURE DIAMETER0.380 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIALCELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
22CR177Interchangeable
interchangeable cross-reference
interchangeable
14HE207Interchangeable
interchangeable cross-reference
interchangeable
6082Interchangeable
interchangeable cross-reference
interchangeable
418255-67Interchangeable
interchangeable cross-reference
interchangeable
MS51958-67Interchangeable
interchangeable cross-reference
interchangeable
AN520C10R16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A277280?
A277280 is a GASKET.
What parts can replace A277280?
There are 21 known substitutes for A277280: 22CR177, 14HE207, 6082 and 18 more. Substitute compatibility should be verified for your specific system.
Is A277280 still available?
A277280 is currently cancelled.
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