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2A7749 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2A7749: GASKET.

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 U.S.

Government catalog 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
2A7749
NSN: 5330-00-176-4123
FSC: 5330 — Packing and Gasket Materials
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (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: 2A7749 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 THICKNESS: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.570 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.380 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. 3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.570 INCHES NOMINAL IN
APERTURE DIAMETER0.380 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
120439Reference document
Same NSN cross-reference
Reference document — Secondary reference
224152Reference document
Same NSN cross-reference
Reference document — Secondary reference
23090Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
850030Reference document
Same NSN cross-reference
Reference document — Secondary reference
30091Reference document
Same NSN cross-reference
Reference document — Secondary reference
T56-23Reference 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 2A7749?
2A7749 is a GASKET.
What parts can replace 2A7749?
There are 8 known substitutes for 2A7749: 120439, 224152, 23090 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2A7749?
2A7749 is cataloged in the U.S. Government catalog under NSN 5330-00-176-4123. This indicates validated use in U.S. government and defense supply chains.
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