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PartsTable / COMPONENT / 056421 ITEM 13
056421 ITEM 13 ✓ 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 PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 2.184 INCHES NOMINAL IN, inside_diameter: 1.250 INCHES NOMINAL IN, outside_diameter: 1.875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-170-1365, 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
056421 ITEM 13
NSN: 5330-01-170-1365
FSC: 5330
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
height2.184 INCHES NOMINAL IN
inside_diameter1.250 INCHES NOMINAL IN
outside_diameter1.875 INCHES NOMINAL IN
intermediate_ring_quantity5
NSN5330-01-170-1365
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 056421 ITEM 13 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
•
INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
INTERMEDIATE RING QUANTITY: 5
•
HEIGHT: 2.184 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER1.250 INCHES NOMINAL IN
INTERMEDIATE RING QUANTITY5
HEIGHT2.184 INCHES NOMINAL IN
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
33044PC166Interchangeable
interchangeable cross-reference
interchangeable
39444PC1Interchangeable
interchangeable cross-reference
interchangeable
34314PC152Interchangeable
interchangeable cross-reference
interchangeable
115412Interchangeable
interchangeable cross-reference
interchangeable
RC16Y1F59Interchangeable
interchangeable cross-reference
interchangeable
RC16Y1F29Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 056421 ITEM 13?
056421 ITEM 13 is a PACKING ASSEMBLY.
What parts can replace 056421 ITEM 13?
There are 8 known substitutes for 056421 ITEM 13: 33044PC166, 39444PC1, 34314PC152 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 056421 ITEM 13?
056421 ITEM 13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-170-1365. 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