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PartsTable / COMPONENT / 81977
81977 ✓ 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 HOSE,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC TUBE, exterior_color: BLACK, inside_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 2.125 INCHES NOMINAL IN, inside_surface_condition: SMOOTH, media_for_which_designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-9793, 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
81977
NSN: 5330-00-178-9793
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
exterior_colorBLACK
inside_diameter1.500 INCHES NOMINAL IN
outside_diameter2.125 INCHES NOMINAL IN
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length3.500 INCHES NOMINAL OVERALL IN
layer_composition_and_location1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER RUBBER IMPREGNATED WOVEN FABRIC
NSN5330-00-178-9793
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81977 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
•
NONDEFINITIVE SPEC/STD DATA: 1B TYPE AND 2 CLASS
•
WIDTH: 12.000 INCHES NOMINAL IN
•
MATERIAL: CORK AND RESIN NATURAL AND RESIN SYNTHETIC
•
LENGTH: 36.000 INCHES NOMINAL IN
•
THICKNESS: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1B TYPE AND 2 CLASS
WIDTH12.000 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1B TYPE AND 2 CLASS
MATERIALCORK AND RESIN NATURAL AND RESIN SYNTHETIC
LENGTH36.000 INCHES NOMINAL IN
THICKNESS0.094 INCHES NOMINAL IN
LENGTH36.000 INCHES NOMINAL IN
WIDTH12.000 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTHERR-060
THICKNESS0.094 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
HHC576TYPE1BCLASS2Interchangeable
interchangeable cross-reference
interchangeable
N4FB3557GInterchangeable
interchangeable cross-reference
interchangeable
ASTM F104Interchangeable
interchangeable cross-reference
interchangeable
F215000M1RWInterchangeable
interchangeable cross-reference
interchangeable
E-4515 ITEM 10Interchangeable
interchangeable cross-reference
interchangeable
EL904-826Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81977?
81977 is a HOSE,NONMETALLIC.
What parts can replace 81977?
There are 25 known substitutes for 81977: HHC576TYPE1BCLASS2, N4FB3557G, ASTM F104 and 22 more. Substitute compatibility should be verified for your specific system.
Is 81977 still available?
81977 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