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Technical Data Sheet
1 1-2INPIPE ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, peripheral_diameter: 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN, center_hole_diameter: 1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN, cross-sectional_height: 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, cross-sectional_shape_style: SPECIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-9993, 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
1 1-2INPIPE
NSN: 5330-00-178-9993
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
peripheral_diameter2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
center_hole_diameter1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
cross-sectional_height1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
NSN5330-00-178-9993
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1 1-2INPIPE 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
CROSS-SECTIONAL HEIGHT: 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
PERIPHERAL DIAMETER: 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
CENTER HOLE DIAMETER: 1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
PERIPHERAL DIAMETER2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
CENTER HOLE DIAMETER1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
77A1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
1025-30108 PC8Interchangeable
interchangeable cross-reference
interchangeable
77A1-1-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-10387Interchangeable
interchangeable cross-reference
interchangeable
MILC10387BInterchangeable
interchangeable cross-reference
interchangeable
100SERIES4INGR00VETYPE2BUTYLInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1 1-2INPIPE?
1 1-2INPIPE is a PACKING,PREFORMED.
What parts can replace 1 1-2INPIPE?
There are 22 known substitutes for 1 1-2INPIPE: 77A1-1/2IN, 1025-30108 PC8, 77A1-1-2 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1 1-2INPIPE?
1 1-2INPIPE is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-9993. This indicates validated use in U.S. government and defense supply chains.
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