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Technical Data Sheet
PartsTable / COMPONENT / 547A003185
547A003185 ✓ 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 DISK,SOLID,PLAIN is a the manufacturer industrial component. Key specifications include diameter: 0.300 INCHES NOMINAL IN, material: PLASTIC POLYTETRAFLUOROETHYLENE, thickness: 0.045 INCHES NOMINAL IN, fsc_application_data: PERISCOPE,SUBMARINE, material_document_and_classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-823-5106, 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
547A003185
NSN: 5340-00-823-5106
FSC: 5340
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
diameter0.300 INCHES NOMINAL IN
materialPLASTIC POLYTETRAFLUOROETHYLENE
thickness0.045 INCHES NOMINAL IN
fsc_application_dataPERISCOPE,SUBMARINE
material_document_and_classificationAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-823-5106
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 547A003185 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: PERISCOPE,SUBMARINE
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
DIAMETER: 0.300 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE
•
THICKNESS: 0.045 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATAPERISCOPE,SUBMARINE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
DIAMETER0.300 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE
THICKNESS0.045 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
30-085-7Interchangeable
interchangeable cross-reference
interchangeable
8209-5Interchangeable
interchangeable cross-reference
interchangeable
31-2370Interchangeable
interchangeable cross-reference
interchangeable
2815Interchangeable
interchangeable cross-reference
interchangeable
A394-2PC45Interchangeable
interchangeable cross-reference
interchangeable
G348TLF1PC18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 547A003185?
547A003185 is a DISK,SOLID,PLAIN.
What parts can replace 547A003185?
There are 12 known substitutes for 547A003185: 30-085-7, 8209-5, 31-2370 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 547A003185?
547A003185 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-823-5106. 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