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Technical Data Sheet
PartsTable / COMPONENT / 44-538
44-538 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: LEATHER SEALING ELEMENT, duty_type: CONTINUOUS, ink_color: BLACK, unit_type: DESK OR POCKET, case_style: SHOULDERED, seal_width: 1.064 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-781-3588, 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
44-538
NSN: 5330-00-781-3588
FSC: 5330
CAGE: 04627 — HYSTER-YALE GROUP, INC. DIV HYSTER-YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
duty_typeCONTINUOUS
ink_colorBLACK
unit_typeDESK OR POCKET
case_styleSHOULDERED
seal_width1.064 INCHES NOMINAL IN
pocket_clipPROVIDED
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity1
overall_width0.970 INCHES NOMINAL IN
overall_height0.970 INCHES NOMINAL IN
overall_length2.090 INCHES NOMINAL IN
NSN5330-00-781-3588
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 44-538 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: VERTICAL
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
MATERIAL: STEEL CORROSION RESISTING CASE
•
ACCOMMODATED SHAFT DIAMETER: 3.938 INCHES NOMINAL IN
•
CASE STYLE: SHOULDERED
•
HOUSING BORE DIAMETER: 5.373 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE CASE
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEVERTICAL
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALSTEEL CORROSION RESISTING CASE
ACCOMMODATED SHAFT DIAMETER3.938 INCHES NOMINAL IN
CASE STYLESHOULDERED
MATERIALLEATHER SEALING ELEMENT
HOUSING BORE DIAMETER5.373 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE CASE
SEAL WIDTH1.064 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
FFS85TYPE2STYLE10PGRADE5Interchangeable
interchangeable cross-reference
interchangeable
MS35297-41Interchangeable
interchangeable cross-reference
interchangeable
180089Interchangeable
interchangeable cross-reference
interchangeable
6270Interchangeable
interchangeable cross-reference
interchangeable
0-841-5Interchangeable
interchangeable cross-reference
interchangeable
429088Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44-538?
44-538 is a RELAY,ELECTROMAGNETIC.
What parts can replace 44-538?
There are 28 known substitutes for 44-538: FFS85TYPE2STYLE10PGRADE5, MS35297-41, 180089 and 25 more. Substitute compatibility should be verified for your specific system.
Is 44-538 still available?
44-538 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026