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A143 — RETAINER,ELECTRON TUBE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A143: RETAINER,ELECTRON TUBE.

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 170, overall_depth: 17.000 INCHES NOMINAL IN, overall_width: 0.875 INCHES NOMINAL IN, overall_height: 4.000 INCHES NOMINAL IN, overall_length: 2.625 INCHES NOMINAL IN, special_features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-121-2735, 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
A143
NSN: 5330-00-121-2735
NIINs: 001212735, 003989356, 004064434, 007753080
FSC: 5330 — Packing and Gasket Materials
CAGE: 95953 — HYCO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 170
overall_depth17.000 INCHES NOMINAL IN
overall_width0.875 INCHES NOMINAL IN
overall_height4.000 INCHES NOMINAL IN
overall_length2.625 INCHES NOMINAL IN
special_featuresCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
style_designatorIRREGULAR
surface_treatmentANODIZE
material_thickness0.064 INCHES NOMINAL IN
end_item_identificationCENTFRIFUGAL PUMP
mounting_facility_type_and_quantity1 FRICTION SINGLE MOUNTING FACILITY
material_document_and_classificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
NSN5330-00-121-2735
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A143 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A143?
A143 is a RETAINER,ELECTRON TUBE.
What is the NSN for A143?
A143 is cataloged in the U.S. Government catalog under NSN 5330-00-121-2735. This indicates validated use in U.S. government and defense supply chains.
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