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12321173 — PACKING WITH RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12321173: PACKING WITH RETAINER.

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include construction: TWO-PIECE, outside_diameter: 2.243 INCHES NOMINAL IN, retainer_thickness: 0.180 INCHES NOMINAL IN, retainer_inside_diameter: 1.983 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-187-3494, 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
12321173
NSN: 5330-01-187-3494
FSC: 5330 — Packing and Gasket Materials
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
constructionTWO-PIECE
outside_diameter2.243 INCHES NOMINAL IN
retainer_thickness0.180 INCHES NOMINAL IN
retainer_inside_diameter1.983 INCHES NOMINAL IN
NSN5330-01-187-3494
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12321173 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 INSIDE DIAMETER: 1.983 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.243 INCHES NOMINAL IN
•
RETAINER THICKNESS: 0.180 INCHES NOMINAL IN
•
CONSTRUCTION: TWO-PIECE
TECHNICAL CHARACTERISTICS
RETAINER INSIDE DIAMETER1.983 INCHES NOMINAL IN
OUTSIDE DIAMETER2.243 INCHES NOMINAL IN
RETAINER THICKNESS0.180 INCHES NOMINAL IN
CONSTRUCTIONTWO-PIECE
SUBSTITUTES & CROSS-REFERENCES 2
38952Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
7226MR-964-TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 12321173?
12321173 is a PACKING WITH RETAINER.
What parts can replace 12321173?
There are 2 known substitutes for 12321173: 38952, 7226MR-964-T. Substitute compatibility should be verified for your specific system.
What is the NSN for 12321173?
12321173 is cataloged in the U.S. Government catalog under NSN 5330-01-187-3494. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.