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665442 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

665442: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY X-750 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 15, inside_diameter: 0.840 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 3.700 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-138-9336, 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
665442
NSN: 5330-00-138-9336
NIINs: 001389336, 009229578
FSC: 5330 — Packing and Gasket Materials
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY X-750 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity15
inside_diameter0.840 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.700 INCHES NOMINAL IN
spring_solid_length3.220 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter1.000 INCHES NOMINAL IN
material_document_and_classificationAMS 5698,TEMPER 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-138-9336
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 665442 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 665442?
665442 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 665442?
665442 is cataloged in the U.S. Government catalog under NSN 5330-00-138-9336. This indicates validated use in U.S. government and defense supply chains.
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