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518822 — ACTUATOR ASSEMBLY,PARKING BRAKE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

518822: ACTUATOR ASSEMBLY,PARKING BRAKE.

ACTUATOR ASSEMBLY,PARKING BRAKE. Key specifications include end_item_identification: 1730-01-291-9248, general_characteristics_item_description: RIGHT-HAND APPLICATION. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-802-5780, 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
518822
NSN: 5340-00-802-5780
NIINs: 008025780, 013983388
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identification1730-01-291-9248
general_characteristics_item_descriptionRIGHT-HAND APPLICATION
NSN5340-00-802-5780
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 518822 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
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SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.312 INCHES NOMINAL IN
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.220 INCHES NOMINAL IN
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FSC APPLICATION DATA: ENGINE,JET ACFT
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FIRST LEG HOLE DIAMETER: 0.281 INCHES NOMINAL IN
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FIRST LEG ANGLE: 75.0 DEGREES NOMINAL
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SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
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SECOND LEG HOLE DIAMETER: 0.219 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.312 INCHES NOMINAL IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.220 INCHES NOMINAL IN
FSC APPLICATION DATAENGINE,JET ACFT
FIRST LEG HOLE DIAMETER0.281 INCHES NOMINAL IN
FIRST LEG ANGLE75.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.219 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
SECOND LEG WIDTH0.625 INCHES NOMINAL IN
SECOND LEG LENGTH1.890 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
444545Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 518822?
518822 is a ACTUATOR ASSEMBLY,PARKING BRAKE.
What parts can replace 518822?
There is 1 known substitute for 518822: 444545. Substitute compatibility should be verified for your specific system.
What is the NSN for 518822?
518822 is cataloged in the U.S. Government catalog under NSN 5340-00-802-5780. 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.