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Technical Data Sheet
75H173 ✓ 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 ENCASED is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, housing_bore_diameter: 4.0015 INCHES MINIMUM AND 4.0045 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-350-9932, 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
75H173
NSN: 5330-00-350-9932
FSC: 5330
CAGE: 95814 — MURRAY MFG CO (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
housing_bore_diameter4.0015 INCHES MINIMUM AND 4.0045 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.250 INCHES NOMINAL IN
nondefinitive_spec/std_data1 2 OR 3 CLASS
accommodated_shaft_maximum_rated_speed1935 FEET PER MINUTE FT
NSN5330-00-350-9932
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 75H173 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
CASE STYLE: SQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1935 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER: 2.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA: 1 2 OR 3 CLASS
HOUSING BORE DIAMETER: 4.0015 INCHES MINIMUM AND 4.0045 INCHES MAXIMUM IN
SEALING ELEMENT STYLE: ANGULAR
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH: 0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1935 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER2.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 2 OR 3 CLASS
HOUSING BORE DIAMETER4.0015 INCHES MINIMUM AND 4.0045 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
DB65005Interchangeable
interchangeable cross-reference
interchangeable
55254Interchangeable
interchangeable cross-reference
interchangeable
43341Interchangeable
interchangeable cross-reference
interchangeable
G12-1Interchangeable
interchangeable cross-reference
interchangeable
31433Interchangeable
interchangeable cross-reference
interchangeable
SF-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 75H173?
75H173 is a SEAL,PLAIN ENCASED.
What parts can replace 75H173?
There are 11 known substitutes for 75H173: DB65005, 55254, 43341 and 8 more. Substitute compatibility should be verified for your specific system.
Is 75H173 still available?
75H173 is currently cancelled.
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