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SH959-21 — RING,WIPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SH959-21: RING,WIPER.

The RING,WIPER is a the manufacturer industrial component. Key specifications include ring_style: CONCENTRIC, inside_diameter: 1.998 INCHES NOMINAL IN, outside_diameter: 2.309 INCHES NOMINAL IN, outer_edge_thickness: 0.104 INCHES NOMINAL IN, cross-sectional_shape_style: OUTSIDE GROOVED, STRAIGHT FACE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-290-9710, 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
SH959-21
NSN: 5330-01-290-9710
FSC: 5330 — Packing and Gasket Materials
CAGE: 30781 — PARKER-HANNIFIN CORPORATION DIV ENGINEERED POLYMER SYSTEMS DIVISION (EPS) (USA)
SPECIFICATIONS
ring_styleCONCENTRIC
inside_diameter1.998 INCHES NOMINAL IN
outside_diameter2.309 INCHES NOMINAL IN
outer_edge_thickness0.104 INCHES NOMINAL IN
cross-sectional_shape_styleOUTSIDE GROOVED, STRAIGHT FACE
NSN5330-01-290-9710
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SH959-21 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
•
OUTER EDGE THICKNESS: 0.104 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
•
OUTSIDE DIAMETER: 2.309 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.998 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
TECHNICAL CHARACTERISTICS
OUTER EDGE THICKNESS0.104 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
OUTSIDE DIAMETER2.309 INCHES NOMINAL IN
INSIDE DIAMETER1.998 INCHES NOMINAL IN
RING STYLECONCENTRIC
SUBSTITUTES & CROSS-REFERENCES 3
1A60648H01Reference document
Same NSN cross-reference
Reference document — Secondary reference
1A60648Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
959-21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SH959-21?
SH959-21 is a RING,WIPER.
What parts can replace SH959-21?
There are 3 known substitutes for SH959-21: 1A60648H01, 1A60648, 959-21. Substitute compatibility should be verified for your specific system.
What is the NSN for SH959-21?
SH959-21 is cataloged in the U.S. Government catalog under NSN 5330-01-290-9710. This indicates validated use in U.S. government and defense supply chains.
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