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E-3947 PIECE7 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

E-3947 PIECE7: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 360, design_type: SOLID OR SPLIT, material_document_and_classification: QQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR SAE CA 360, COMP 22 ASSN STD 2ND MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-209-8326, 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
E-3947 PIECE7
NSN: 5340-01-209-8326
FSC: 5340 — Hardware, Commercial
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 360
design_typeSOLID OR SPLIT
material_document_and_classificationQQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR SAE CA 360, COMP 22 ASSN STD 2ND MATERIAL RESPONSE
NSN5340-01-209-8326
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E-3947 PIECE7 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
•
DESIGN TYPE: SOLID OR SPLIT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR SAE CA 360, COMP 22 ASSN STD 2ND MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 360
TECHNICAL CHARACTERISTICS
DESIGN TYPESOLID OR SPLIT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR SAE CA 360, COMP 22 ASSN STD 2ND MATERIAL RESPONSE
MATERIALCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 360
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 E-3947 PIECE7?
E-3947 PIECE7 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for E-3947 PIECE7?
E-3947 PIECE7 is cataloged in the U.S. Government catalog under NSN 5340-01-209-8326. This indicates validated use in U.S. government and defense supply chains.
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