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PartsTable / COMPONENT / H547-1903-32
H547-1903-32 ✓ 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 SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE OVERALL, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 2.445 INCHES NOMINAL IN, end_item_identification: OPERATOR GEAR, accommodated_shaft_diameter: 1.125 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SEAL, LIP, OIL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-596-6383, 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
H547-1903-32
NSN: 5330-01-596-6383
FSC: 5330
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE OVERALL
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter2.445 INCHES NOMINAL IN
end_item_identificationOPERATOR GEAR
accommodated_shaft_diameter1.125 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySEAL, LIP, OIL
NSN5330-01-596-6383
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H547-1903-32 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
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.445 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.250 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.445 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
END ITEM IDENTIFICATIONOPERATOR GEAR
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, LIP, OIL
MATERIALRUBBER BUTADIENE NITRILE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
45016928Interchangeable
interchangeable cross-reference
interchangeable
11392Interchangeable
interchangeable cross-reference
interchangeable
MS15444-42Interchangeable
interchangeable cross-reference
interchangeable
44114Interchangeable
interchangeable cross-reference
interchangeable
150 44Interchangeable
interchangeable cross-reference
interchangeable
KMC-659B0180Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H547-1903-32?
H547-1903-32 is a SEAL,PLAIN.
What parts can replace H547-1903-32?
There are 16 known substitutes for H547-1903-32: 45016928, 11392, MS15444-42 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H547-1903-32?
H547-1903-32 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-596-6383. 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