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Technical Data Sheet
PartsTable / COMPONENT / 2321188
2321188 ✓ 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 WITH RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING RETAINER, construction: ONE-PIECE, outside_diameter: 0.672 INCHES NOMINAL IN, surface_treatment: PASSIVATE RETAINER, retainer_thickness: 0.031 INCHES NOMINAL IN, packing_inside_diameter: 0.466 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-849-1875, 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
2321188
NSN: 5330-00-849-1875
FSC: 5330
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING RETAINER
constructionONE-PIECE
outside_diameter0.672 INCHES NOMINAL IN
surface_treatmentPASSIVATE RETAINER
retainer_thickness0.031 INCHES NOMINAL IN
packing_inside_diameter0.466 INCHES NOMINAL IN
packing_ring_cross-sectional_diameter0.164 INCHES NOMINAL IN
NSN5330-00-849-1875
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2321188 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
•
RETAINER THICKNESS: 0.031 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE RETAINER
•
PACKING INSIDE DIAMETER: 0.466 INCHES NOMINAL IN
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.164 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.672 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
•
MATERIAL: RUBBER SYNTHETIC PACKING
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER THICKNESS0.031 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE RETAINER
PACKING INSIDE DIAMETER0.466 INCHES NOMINAL IN
PACKING RING CROSS-SECTIONAL DIAMETER0.164 INCHES NOMINAL IN
OUTSIDE DIAMETER0.672 INCHES NOMINAL IN
CONSTRUCTIONONE-PIECE
MATERIALRUBBER SYNTHETIC PACKING
MATERIALSTEEL CORROSION RESISTING RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
M5423/16-01Interchangeable
interchangeable cross-reference
interchangeable
437-6726903-7Interchangeable
interchangeable cross-reference
interchangeable
M5423/16-1Interchangeable
interchangeable cross-reference
interchangeable
TS10368Interchangeable
Same NIIN cross-reference
interchangeable
15P487Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2321188?
2321188 is a PACKING WITH RETAINER.
What parts can replace 2321188?
There are 5 known substitutes for 2321188: M5423/16-01, 437-6726903-7, M5423/16-1 and 2 more. Substitute compatibility should be verified for your specific system.
Is 2321188 still available?
2321188 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026