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4R-8831 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4R-8831: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-360-9023, 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
4R-8831
NSN: 5330-01-360-9023
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number4R-8831
NSN5330-01-360-9023
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4R-8831 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
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 5
33A023129Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330013609023Reference document
Same NSN cross-reference
Reference document — Informative reference only
23KP324Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
10012560Reference document
Same NSN cross-reference
Reference document — Secondary reference
0747675Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4R-8831?
4R-8831 is a SEAL,PLAIN ENCASED.
What parts can replace 4R-8831?
There are 5 known substitutes for 4R-8831: 33A023129, 5330013609023, 23KP324 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4R-8831?
4R-8831 is cataloged in the U.S. Government catalog under NSN 5330-01-360-9023. This indicates validated use in U.S. government and defense supply chains.
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