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Technical Data Sheet
PartsTable / COMPONENT / 56W44-SK-8508
56W44-SK-8508 ✓ 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 RUBBER STRIP is a the manufacturer industrial component. Key specifications include length: 1920.000 INCHES NOMINAL IN, material: RUBBER SILICONE CLASS Q, temp_rating: -103.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, cross-sectional_width: 0.500 INCHES NOMINAL IN, cross-sectional_height: 1.250 INCHES NOMINAL IN, end_item_identification: NON-BALLISTIC MANUALLY OPERATED AIRTIGHT AND WATERTIGHT CLOSURES,NAVY SEA SYSTEMS COMMAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-371-7183, 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
56W44-SK-8508
NSN: 5330-01-371-7183
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
length1920.000 INCHES NOMINAL IN
materialRUBBER SILICONE CLASS Q
temp_rating-103.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
special_featuresMATERIAL TO BE IAW FED SPEC ZZ-R-765,CL3B,GR30;TWO 0.625 INCH BY 45 DEGREE CHAMFER ON ONE SIDE WITH 0.1875 GROOVE CENTERED ALONG LENGTH IN
cross-sectional_width0.500 INCHES NOMINAL IN
cross-sectional_height1.250 INCHES NOMINAL IN
end_item_identificationNON-BALLISTIC MANUALLY OPERATED AIRTIGHT AND WATERTIGHT CLOSURES,NAVY SEA SYSTEMS COMMAND
minimum_tensile_strengthERR-060
cross-sectional_shape_styleRECTANGULAR
nonmetallic_hardness_rating30.0 NOMINAL SHORE DUROMETER A
material_document_and_classificationZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE
NSN5330-01-371-7183
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56W44-SK-8508 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
•
MINIMUM TENSILE STRENGTH: ERR-060
•
CROSS-SECTIONAL HEIGHT: 1.250 INCHES NOMINAL IN
•
LENGTH: 1920.000 INCHES NOMINAL IN
•
NONMETALLIC HARDNESS RATING: 30.0 NOMINAL SHORE DUROMETER A
•
MATERIAL: RUBBER SILICONE CLASS Q
•
TEMP RATING: -103.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTHERR-060
SPECIAL FEATURESMATERIAL TO BE IAW FED SPEC ZZ-R-765,CL3B,GR30;TWO 0.625 INCH BY 45 DEGREE CHAMFER ON ONE SIDE WITH 0.1875 GROOVE CENTERED ALONG LENGTH IN
CROSS-SECTIONAL HEIGHT1.250 INCHES NOMINAL IN
LENGTH1920.000 INCHES NOMINAL IN
NONMETALLIC HARDNESS RATING30.0 NOMINAL SHORE DUROMETER A
MATERIALRUBBER SILICONE CLASS Q
TEMP RATING-103.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL WIDTH0.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
48063009-000Interchangeable
interchangeable cross-reference
interchangeable
L2088148-1Interchangeable
interchangeable cross-reference
interchangeable
SMB416802Interchangeable
interchangeable cross-reference
interchangeable
ZZ-R-765,CL 3B,GR 30Interchangeable
interchangeable cross-reference
interchangeable
P5024-21-8Interchangeable
interchangeable cross-reference
interchangeable
2898699Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56W44-SK-8508?
56W44-SK-8508 is a RUBBER STRIP.
What parts can replace 56W44-SK-8508?
There are 34 known substitutes for 56W44-SK-8508: 48063009-000, L2088148-1, SMB416802 and 31 more. Substitute compatibility should be verified for your specific system.
Is 56W44-SK-8508 still available?
56W44-SK-8508 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