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Technical Data Sheet
11A7166 ✓ 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 SPRING BRAKE CHAMBE 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 5340-00-754-0148, 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
11A7166
NSN: 5340-00-754-0148
FSC: 5340
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
Part Number11A7166
NSN5340-00-754-0148
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11A7166 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 12
GP796FInterchangeable
interchangeable cross-reference
interchangeable
A1114Interchangeable
interchangeable cross-reference
interchangeable
212328Interchangeable
interchangeable cross-reference
interchangeable
A43000043-000Interchangeable
interchangeable cross-reference
interchangeable
BTC-6782Interchangeable
interchangeable cross-reference
interchangeable
7720278Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11A7166?
11A7166 is a SPRING BRAKE CHAMBE.
What parts can replace 11A7166?
There are 12 known substitutes for 11A7166: GP796F, A1114, 212328 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11A7166?
11A7166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-754-0148. This indicates validated use in U.S. government and defense supply chains.
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