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PartsTable / COMPONENT / MILG7021CLASS1
MILG7021CLASS1 ✓ 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: ASBESTOS AND RUBBER SYNTHETIC OVERALL, outside_diameter: 2.200 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.000 INCHES NOMINAL IN, cross-sectional_thickness: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-7241, 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
MILG7021CLASS1
NSN: 5330-00-171-7241
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialASBESTOS AND RUBBER SYNTHETIC OVERALL
outside_diameter2.200 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.000 INCHES NOMINAL IN
cross-sectional_thickness0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
nondefinitive_spec/std_data1 CLASS
NSN5330-00-171-7241
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MILG7021CLASS1 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: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.200 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.000 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 CLASS
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: ASBESTOS AND RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.200 INCHES NOMINAL IN
APERTURE DIAMETER2.000 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 CLASS
STYLE DESIGNATORCIRCULAR
MATERIALASBESTOS AND RUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2915Interchangeable
interchangeable cross-reference
interchangeable
94Interchangeable
interchangeable cross-reference
interchangeable
T-10569Interchangeable
interchangeable cross-reference
interchangeable
21593Interchangeable
interchangeable cross-reference
interchangeable
FF-B-171Interchangeable
interchangeable cross-reference
interchangeable
K68Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILG7021CLASS1?
MILG7021CLASS1 is a GASKET.
What parts can replace MILG7021CLASS1?
There are 17 known substitutes for MILG7021CLASS1: 2915, 94, T-10569 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILG7021CLASS1?
MILG7021CLASS1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-7241. 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