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748440 — AUX CONTACT KIT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

748440: AUX CONTACT KIT.

The AUX CONTACT KIT is a the manufacturer industrial component. Key specifications include material: PLASTIC FLUOROCARBON SEALING ELEMENT, case_style: RECESSED, seal_width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, special_features: SERIES 7000 ABT, housing_bore_diameter: 1.128 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-913-6564, 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
748440
NSN: 5330-00-913-6564
NIINs: 009136564, 016027697
FSC: 5330 — Packing and Gasket Materials
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON SEALING ELEMENT
case_styleRECESSED
seal_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
special_featuresSERIES 7000 ABT
housing_bore_diameter1.128 INCHES NOMINAL IN
sealing_element_styleANGULAR
end_item_identificationSWITCH,AUTOMATIC BUS TRANSFER
accommodated_shaft_diameter0.406 INCHES NOMINAL IN
material_document_and_classificationAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE CASE
NSN5330-00-913-6564
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 748440 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: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.128 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE CASE
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 0.406 INCHES NOMINAL IN
•
MATERIAL: PLASTIC FLUOROCARBON SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.128 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE CASE
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER0.406 INCHES NOMINAL IN
MATERIALPLASTIC FLUOROCARBON SEALING ELEMENT
MATERIALSTEEL COMP 1010 CASE
SUBSTITUTES & CROSS-REFERENCES 1
511202Same 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 748440?
748440 is a AUX CONTACT KIT.
What parts can replace 748440?
There is 1 known substitute for 748440: 511202. Substitute compatibility should be verified for your specific system.
What is the NSN for 748440?
748440 is cataloged in the U.S. Government catalog under NSN 5330-00-913-6564. This indicates validated use in U.S. government and defense supply chains.
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