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423303 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

423303: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYESTER, design_type: SOLID, specific_use: INFRARED FILM, overall_width: 2.754 INCHES NOMINAL IN, overall_length: 10.340 INCHES NOMINAL IN, mounting_method: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-798-6918, 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
423303
NSN: 5340-00-798-6918
NIINs: 007986918, 010703275, 016007305
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialPLASTIC POLYESTER
design_typeSOLID
specific_useINFRARED FILM
overall_width2.754 INCHES NOMINAL IN
overall_length10.340 INCHES NOMINAL IN
mounting_methodSPRING TENSION
overall_thickness0.005 INCHES NOMINAL IN
fsc_application_dataCONTROL ASSY,PRESSURE RATIO BLEED,2995004356898 710565
end_item_identificationARMORED COMBAT EARTHMOVER,NSN 2430-01-581-8572
material_hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
viewing_surface_overall_width2.260 INCHES NOMINAL IN
viewing_surface_overall_length7.620 INCHES NOMINAL IN
NSN5340-00-798-6918
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 423303 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
•
FSC APPLICATION DATA: CONTROL ASSY,PRESSURE RATIO BLEED,2995004356898 710565
•
MATERIAL HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
DESIGN TYPE: SOLID
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATACONTROL ASSY,PRESSURE RATIO BLEED,2995004356898 710565
MATERIAL HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
DESIGN TYPESOLID
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 423303?
423303 is a TRANSFORMER,AUDIO FREQUENCY.
What is the NSN for 423303?
423303 is cataloged in the U.S. Government catalog under NSN 5340-00-798-6918. 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.