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72142 — TRANSISTOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

72142: TRANSISTOR.

The TRANSISTOR is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, special_features: W/PROTECTIVE INNER CASE, housing_bore_diameter: 2.125 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-678-7106, 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
72142
NSN: 5330-00-678-7106
NIINs: 006787106, 013064093, 013244909
FSC: 5330 — Packing and Gasket Materials
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
special_featuresW/PROTECTIVE INNER CASE
housing_bore_diameter2.125 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.375 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-678-7106
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 72142 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: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 2.125 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.375 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER2.125 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
SPECIAL FEATURESW/PROTECTIVE INNER CASE
ACCOMMODATED SHAFT DIAMETER1.375 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 8
523300-07464Reference document
Same NSN cross-reference
Reference document — Secondary reference
W10Reference document
Same NSN cross-reference
Reference document — Secondary reference
8395460Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
M86688Reference document
Same NSN cross-reference
Reference document — Secondary reference
212W112M1Reference document
Same NSN cross-reference
Reference document — Secondary reference
523300Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 72142?
72142 is a TRANSISTOR.
What parts can replace 72142?
There are 8 known substitutes for 72142: 523300-07464, W10, 8395460 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 72142?
72142 is cataloged in the U.S. Government catalog under NSN 5330-00-678-7106. This indicates validated use in U.S. government and defense supply chains.
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