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Technical Data Sheet
10921 ITEM 1299 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-465-1853, 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
10921 ITEM 1299
NSN: 5330-01-465-1853
FSC: 5330
CAGE: 31235 — M3P, INC DBA GARDNER DENVER DIV INVINCIBLE AIRFLOW SYSTEMS (USA)
SPECIFICATIONS
Part Number10921 ITEM 1299
NSN5330-01-465-1853
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10921 ITEM 1299 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
476721Interchangeable
interchangeable cross-reference
interchangeable
4357Interchangeable
interchangeable cross-reference
interchangeable
1299Interchangeable
interchangeable cross-reference
interchangeable
448856-1Interchangeable
interchangeable cross-reference
interchangeable
AN3102A28-9PInterchangeable
interchangeable cross-reference
interchangeable
5321-44Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10921 ITEM 1299?
10921 ITEM 1299 is a SEAL,PLAIN ENCASED.
What parts can replace 10921 ITEM 1299?
There are 17 known substitutes for 10921 ITEM 1299: 476721, 4357, 1299 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10921 ITEM 1299?
10921 ITEM 1299 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-465-1853. This indicates validated use in U.S. government and defense supply chains.
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