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PartsTable / COMPONENT / H0221
H0221 ✓ 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 NIPPLE,ELECTRICAL CONDUIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 4.010 INCHES MAXIMUM IN, drive_end_shape: SQUARE SINGLE END INTERNAL, special_markings: 2-3/8 IN. IN, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-173-3092, 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
H0221
NSN: 5330-00-173-3092
FSC: 5330
CAGE: 33742 — MAKO COMPRESSORS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length4.010 INCHES MAXIMUM IN
drive_end_shapeSQUARE SINGLE END INTERNAL
special_markings2-3/8 IN. IN
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.750 INCHES NOMINAL SINGLE END IN
wrenching_surface_size2.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
drive_end_outside_diameter3.333 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND 1 CLASS AND A STYLE
NSN5330-00-173-3092
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H0221 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 5
B365-4-5312Interchangeable
interchangeable cross-reference
interchangeable
MP402-TInterchangeable
interchangeable cross-reference
interchangeable
ON-50Interchangeable
interchangeable cross-reference
interchangeable
1452Interchangeable
interchangeable cross-reference
interchangeable
1520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H0221?
H0221 is a NIPPLE,ELECTRICAL CONDUIT.
What parts can replace H0221?
There are 5 known substitutes for H0221: B365-4-5312, MP402-T, ON-50 and 2 more. Substitute compatibility should be verified for your specific system.
Is H0221 still available?
H0221 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026