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Technical Data Sheet
PartsTable / COMPONENT / 181880PC4
181880PC4 ✓ 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 is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE AND GLYCERIN OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 4.000 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.660 INCHES NOMINAL IN, bolt_circle_diameter: 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM 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 5330-00-188-2662, 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
181880PC4
NSN: 5330-00-188-2662
FSC: 5330
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter4.000 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.660 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN
cross-sectional_thickness0.010 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-188-2662
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 181880PC4 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 THICKNESS: 0.010 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT HOLE QUANTITY: 6
•
HOLE DIAMETER: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 2.660 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN
•
MATERIAL: PAPER AND GLUE AND GLYCERIN OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY6
HOLE DIAMETER0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER2.660 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN
MATERIALPAPER AND GLUE AND GLYCERIN OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
00737 SH47 ST 164Interchangeable
interchangeable cross-reference
interchangeable
22890-8Interchangeable
interchangeable cross-reference
interchangeable
81125S41-38853ALT1PC14Interchangeable
interchangeable cross-reference
interchangeable
HH-P-96GInterchangeable
interchangeable cross-reference
interchangeable
274372PC6Interchangeable
interchangeable cross-reference
interchangeable
C51905Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 181880PC4?
181880PC4 is a GASKET.
What parts can replace 181880PC4?
There are 16 known substitutes for 181880PC4: 00737 SH47 ST 164, 22890-8, 81125S41-38853ALT1PC14 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 181880PC4?
181880PC4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-188-2662. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026