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S9404-99 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S9404-99: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN, bore_diameter: 0.1650 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN, overall_height: 0.0850 INCHES MINIMUM AND 0.9500 INCHES MAXIMUM IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-351-5434, 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
S9404-99
NSN: 5340-01-351-5434
FSC: 5340 — Hardware, Commercial
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
bore_diameter0.1650 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN
overall_height0.0850 INCHES MINIMUM AND 0.9500 INCHES MAXIMUM IN
style_designatorSEAT
first_step_diameter0.8000 INCHES MINIMUM AND 0.8200 INCHES MAXIMUM IN
distance_from_end_to_first_step0.0500 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720, 300 SERIES MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-351-5434
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S9404-99 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
•
FIRST STEP DIAMETER: 0.8000 INCHES MINIMUM AND 0.8200 INCHES MAXIMUM IN
•
END DIAMETER: 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.0500 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720, 300 SERIES MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE DIAMETER: 0.1650 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.0850 INCHES MINIMUM AND 0.9500 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.8000 INCHES MINIMUM AND 0.8200 INCHES MAXIMUM IN
END DIAMETER0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.0500 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720, 300 SERIES MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.1650 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN
MATERIALSTEEL
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

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 S9404-99?
S9404-99 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for S9404-99?
S9404-99 is cataloged in the U.S. Government catalog under NSN 5340-01-351-5434. This indicates validated use in U.S. government and defense supply chains.
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