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Technical Data Sheet
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H10288-21 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H10288-21: 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 5330-00-154-4839, 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
H10288-21
NSN: 5330-00-154-4839
FSC: 5330 — Packing and Gasket Materials
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
Part NumberH10288-21
NSN5330-00-154-4839
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H10288-21 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
SUBSTITUTES & CROSS-REFERENCES 6
11229Reference document
Same NSN cross-reference
Reference document — Secondary reference
40653Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4424Reference document
Same NSN cross-reference
Reference document — Secondary reference
SB4424Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10288-21Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15028KReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H10288-21?
H10288-21 is a SEAL,PLAIN ENCASED.
What parts can replace H10288-21?
There are 6 known substitutes for H10288-21: 11229, 40653, 4424 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H10288-21?
H10288-21 is cataloged in the U.S. Government catalog under NSN 5330-00-154-4839. This indicates validated use in U.S. government and defense supply chains.
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