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PartsTable / COMPONENT / A6056
A6056 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include width: 3.000 INCHES NOMINAL IN, length: 11.250 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: TAB SINGLE GROUP, special_features: WEAPON SYSTEM ESSENTIAL, body_outside_diameter: 0.390 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-473-8707, 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
A6056
NSN: 5340-00-473-8707
FSC: 5340
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
width3.000 INCHES NOMINAL IN
length11.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTAB SINGLE GROUP
special_featuresWEAPON SYSTEM ESSENTIAL
body_outside_diameter0.390 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
peripheral_shape_styleRECTANGLE, NO HOLES
end_item_identificationOLIVER PERRY CLASS FFG; ARLEIGH BURKE CLASS DDG; TICONDEROGA CLASS CG (47); SPRUANCE CLASS (963); EMORY S. LAND CLASS AS; FORRESTAL CLASS CV; TARAWA CLASS LHA; WASP CLASS LHD; NIMITZ CLASS CVN
terminal_type_and_quantity4 TURRET
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
criticality_code_justificationFEAT
NSN5340-00-473-8707
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6056 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
•
LENGTH: 11.250 INCHES NOMINAL IN
•
WIDTH: 3.000 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH11.250 INCHES NOMINAL IN
WIDTH3.000 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
300-2150Interchangeable
interchangeable cross-reference
interchangeable
SM-D-447522Interchangeable
interchangeable cross-reference
interchangeable
A6056Interchangeable
interchangeable cross-reference
interchangeable
D6052-8Interchangeable
interchangeable cross-reference
interchangeable
M640-1 A8180Interchangeable
interchangeable cross-reference
interchangeable
A8180Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6056?
A6056 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace A6056?
There are 7 known substitutes for A6056: 300-2150, SM-D-447522, A6056 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6056?
A6056 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-473-8707. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026