PartsTable
Technical Data Sheet
ISR-4 ✓ 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 RING,WIPER is a the manufacturer industrial component. Key specifications include ring_style: CONCENTRIC, joint_style: DIAGONAL JOINT, inside_diameter: 0.688 INCHES NOMINAL IN, outside_diameter: 0.928 INCHES NOMINAL IN, material_thickness: 0.125 INCHES NOMINAL IN, fsc_application_data: HYDRAULIC SYSTEM,ACFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-517-0159, 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
ISR-4
NSN: 5330-00-517-0159
FSC: 5330
CAGE: 95725 — INDUSTRIAL SUPPLIES (USA)
SPECIFICATIONS
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
inside_diameter0.688 INCHES NOMINAL IN
outside_diameter0.928 INCHES NOMINAL IN
material_thickness0.125 INCHES NOMINAL IN
fsc_application_dataHYDRAULIC SYSTEM,ACFT
outer_edge_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleOUTSIDE GROOVED, STRAIGHT FACE
NSN5330-00-517-0159
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ISR-4 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: 0.688 INCHES NOMINAL IN
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER: 0.928 INCHES NOMINAL IN
TEST DATA DOCUMENT: 81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
RING STYLE: CONCENTRIC
OUTER EDGE THICKNESS: 0.094 INCHES NOMINAL IN
FSC APPLICATION DATA: HYDRAULIC SYSTEM,ACFT
JOINT STYLE: DIAGONAL JOINT
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.688 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER0.928 INCHES NOMINAL IN
TEST DATA DOCUMENT81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
RING STYLECONCENTRIC
OUTER EDGE THICKNESS0.094 INCHES NOMINAL IN
FSC APPLICATION DATAHYDRAULIC SYSTEM,ACFT
JOINT STYLEDIAGONAL JOINT
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
G4Interchangeable
interchangeable cross-reference
interchangeable
309523Interchangeable
interchangeable cross-reference
interchangeable
9196Interchangeable
interchangeable cross-reference
interchangeable
RC5121Interchangeable
interchangeable cross-reference
interchangeable
F1258Interchangeable
interchangeable cross-reference
interchangeable
D1012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ISR-4?
ISR-4 is a RING,WIPER.
What parts can replace ISR-4?
There are 27 known substitutes for ISR-4: G4, 309523, 9196 and 24 more. Substitute compatibility should be verified for your specific system.
Is ISR-4 still available?
ISR-4 is currently cancelled.
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