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Technical Data Sheet
40417 ITEM 3 ✓ 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 PLUG,VENT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, material_document_and_classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-171-1072, 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
40417 ITEM 3
NSN: 5340-01-171-1072
FSC: 5340
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-171-1072
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40417 ITEM 3 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-B-626 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
29-4Upgraded Successor
successor cross-reference
successor
29Upgraded Successor
successor cross-reference
successor
409801Upgraded Successor
successor cross-reference
successor
5006S25Interchangeable
interchangeable cross-reference
interchangeable
4284P11Interchangeable
interchangeable cross-reference
interchangeable
A362X29Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40417 ITEM 3?
40417 ITEM 3 is a PLUG,VENT.
What parts can replace 40417 ITEM 3?
There are 22 known substitutes for 40417 ITEM 3: 29-4, 29, 409801 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40417 ITEM 3?
40417 ITEM 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-171-1072. This indicates validated use in U.S. government and defense supply chains.
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