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Technical Data Sheet
PartsTable / COMPONENT / 659-1-150PSI
659-1-150PSI ✓ 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,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 AND ASBESTOS CHRYSOTILE OVERALL, outside_diameter: 1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, gage_ring_thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-044-2329, 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
659-1-150PSI
NSN: 5330-01-044-2329
FSC: 5330
CAGE: 80712 — J.O. GALLOUP COMPANY DBA SMITH INSTRUMENT DIV DBA: GALLOUP, MERLO ENERGY, SMITH INSTRUMENT (USA)
SPECIFICATIONS
materialSTEEL COMP 304 AND ASBESTOS CHRYSOTILE OVERALL
outside_diameter1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
gage_ring_thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
bearing_surface_width0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
cross-sectional_thickness0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
gage_ring_outside_diameter2.625 INCHES NOMINAL2.625 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING
NSN5330-01-044-2329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 659-1-150PSI 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
•
GAGE RING OUTSIDE DIAMETER: 2.625 INCHES NOMINAL2.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
•
BEARING SURFACE WIDTH: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL COMP 304 AND ASBESTOS CHRYSOTILE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
GAGE RING OUTSIDE DIAMETER2.625 INCHES NOMINAL2.625 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
BEARING SURFACE WIDTH0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING
OUTSIDE DIAMETER1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL COMP 304 AND ASBESTOS CHRYSOTILE OVERALL
GAGE RING THICKNESS0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
APERTURE DIAMETER1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
6591Interchangeable
interchangeable cross-reference
interchangeable
169BInterchangeable
interchangeable cross-reference
interchangeable
2070Interchangeable
interchangeable cross-reference
interchangeable
SMA544730Interchangeable
interchangeable cross-reference
interchangeable
209405Interchangeable
interchangeable cross-reference
interchangeable
P16A62Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 659-1-150PSI?
659-1-150PSI is a GASKET,SPIRAL WOUND.
What parts can replace 659-1-150PSI?
There are 14 known substitutes for 659-1-150PSI: 6591, 169B, 2070 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 659-1-150PSI?
659-1-150PSI is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-044-2329. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026