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Technical Data Sheet
PartsTable / COMPONENT / 4-184-56
4-184-56 ✓ 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 PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: PLATE, MOUNTING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-2758, 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
4-184-56
NSN: 5330-00-641-2758
FSC: 5330
CAGE: 78880 — FLXIBLE CO THE (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyPLATE, MOUNTING
NSN5330-00-641-2758
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4-184-56 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
•
SEALING ELEMENT STYLE: ANGULAR
•
SEAL WIDTH: 0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
•
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
HOUSING BORE DIAMETER: 5.501 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER5.501 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
B-10Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
D106Interchangeable
interchangeable cross-reference
interchangeable
55036Interchangeable
interchangeable cross-reference
interchangeable
SM-C-187040Interchangeable
interchangeable cross-reference
interchangeable
10310Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-184-56?
4-184-56 is a PLATE,MOUNTING.
What parts can replace 4-184-56?
There are 23 known substitutes for 4-184-56: B-10, ASME B94.19, D106 and 20 more. Substitute compatibility should be verified for your specific system.
Is 4-184-56 still available?
4-184-56 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026