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Technical Data Sheet
PartsTable / COMPONENT / NW16556
NW16556 ✓ 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 AND SEAL SET is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-857-1922, 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
NW16556
NSN: 5330-00-857-1922
FSC: 5330
CAGE: 44185 — TLD WOLLARD LLC (USA)
SPECIFICATIONS
Part NumberNW16556
NSN5330-00-857-1922
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NW16556 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 6
16556Interchangeable
interchangeable cross-reference
interchangeable
560418Interchangeable
interchangeable cross-reference
interchangeable
44420Interchangeable
interchangeable cross-reference
interchangeable
4C50X-SInterchangeable
interchangeable cross-reference
interchangeable
201CSA5411Interchangeable
interchangeable cross-reference
interchangeable
2808581Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NW16556?
NW16556 is a GASKET AND SEAL SET.
What parts can replace NW16556?
There are 6 known substitutes for NW16556: 16556, 560418, 44420 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NW16556?
NW16556 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-857-1922. 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