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PartsTable / COMPONENT / X-74050 PIECE 4-15
X-74050 PIECE 4-15 ✓ 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: STEEL SPRING, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, housing_bore_diameter: 2.374 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 1.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-289-9777, 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
X-74050 PIECE 4-15
NSN: 5330-01-289-9777
FSC: 5330
CAGE: 97370 — SPX FLOW US, LLC DBA SPX VALVES & CONTROLS (USA)
SPECIFICATIONS
materialSTEEL SPRING
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
housing_bore_diameter2.374 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter1.250 INCHES NOMINAL IN
NSN5330-01-289-9777
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X-74050 PIECE 4-15 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
•
HOUSING BORE DIAMETER: 2.374 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.250 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.374 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.250 INCHES NOMINAL IN
CASE STYLESQUARE
SEAL WIDTH0.500 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
SEALING ELEMENT STYLEVERTICAL
MATERIALSTEEL SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
12616Interchangeable
interchangeable cross-reference
interchangeable
126-126-104Interchangeable
interchangeable cross-reference
interchangeable
T-7005Interchangeable
interchangeable cross-reference
interchangeable
5120PL1464621Interchangeable
interchangeable cross-reference
interchangeable
560579Interchangeable
interchangeable cross-reference
interchangeable
637902-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X-74050 PIECE 4-15?
X-74050 PIECE 4-15 is a SEAL,PLAIN ENCASED.
What parts can replace X-74050 PIECE 4-15?
There are 18 known substitutes for X-74050 PIECE 4-15: 12616, 126-126-104, T-7005 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X-74050 PIECE 4-15?
X-74050 PIECE 4-15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-289-9777. 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