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4020427-501 — CLIP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4020427-501: CLIP,RETAINING.

The CLIP,RETAINING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052, special_features: MUST CONSIST OF CLIP P/N 4020427-2 AND PROTECTIVE COATING P/N 4013740-1, casehardening_indicator: NOT CASEHARDENED, end_item_identification: 5411-01-436-3326, material_document_and_classification: QQ-A-250/8, ALLOY 5052, H32 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-494-4253, 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
4020427-501
NSN: 5340-01-494-4253
FSC: 5340 — Hardware, Commercial
CAGE: 29381 — GICHNER SYSTEMS GROUP, INC. DIV C5ISR DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052
special_featuresMUST CONSIST OF CLIP P/N 4020427-2 AND PROTECTIVE COATING P/N 4013740-1
casehardening_indicatorNOT CASEHARDENED
end_item_identification5411-01-436-3326
material_document_and_classificationQQ-A-250/8, ALLOY 5052, H32 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-494-4253
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4020427-501 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8, ALLOY 5052, H32 FED SPEC SINGLE MATERIAL RESPONSE
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: ALUMINUM ALLOY 5052
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8, ALLOY 5052, H32 FED SPEC SINGLE MATERIAL RESPONSE
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURESMUST CONSIST OF CLIP P/N 4020427-2 AND PROTECTIVE COATING P/N 4013740-1
END ITEM IDENTIFICATION5411-01-436-3326
MATERIALALUMINUM ALLOY 5052
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
4020427Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4050427-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4020427-501?
4020427-501 is a CLIP,RETAINING.
What parts can replace 4020427-501?
There are 2 known substitutes for 4020427-501: 4020427, 4050427-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 4020427-501?
4020427-501 is cataloged in the U.S. Government catalog under NSN 5340-01-494-4253. This indicates validated use in U.S. government and defense supply chains.
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