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S9404-50 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S9404-50: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include design_type: SOLID, end_diameter: 0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN, bore_diameter: 0.1100 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN, overall_height: 0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN, style_designator: SEAT, first_step_diameter: 0.2300 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-030-4995, 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
S9404-50
NSN: 5340-01-030-4995
FSC: 5340 — Hardware, Commercial
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 347 OR STEEL COMP 321
design_typeSOLID
end_diameter0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
bore_diameter0.1100 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
overall_height0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
style_designatorSEAT
first_step_diameter0.2300 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
distance_from_end_to_first_step0.0400 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763, CLASS 302 OR 304 OR 304L OR 305 OR 309 OR 310 OR 316 OR 316L OR 317 OR 347 OR 321 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-030-4995
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S9404-50 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: 0.2300 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
•
END DIAMETER: 0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.0400 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 302 OR 304 OR 304L OR 305 OR 309 OR 310 OR 316 OR 316L OR 317 OR 347 OR 321 FED SPEC SINGLE MATERIAL RESPONSE
•
BORE DIAMETER: 0.1100 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.2300 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
END DIAMETER0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.0400 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 302 OR 304 OR 304L OR 305 OR 309 OR 310 OR 316 OR 316L OR 317 OR 347 OR 321 FED SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.1100 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 347 OR STEEL COMP 321
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S9404-50?
S9404-50 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for S9404-50?
S9404-50 is cataloged in the U.S. Government catalog under NSN 5340-01-030-4995. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.