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S9404-76 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S9404-76: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include design_type: SOLID, end_diameter: 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN, bore_diameter: 0.0850 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM IN, overall_height: 0.0900 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN, style_designator: SEAT, first_step_diameter: 0.3400 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-117-9884, 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
S9404-76
NSN: 5340-01-117-9884
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 310 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 347 OR STEEL COMP 316 OR STEEL COMP 321
design_typeSOLID
end_diameter0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
bore_diameter0.0850 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM IN
overall_height0.0900 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN
style_designatorSEAT
first_step_diameter0.3400 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM IN
distance_from_end_to_first_step0.0600 INCHES NOMINAL IN
NSN5340-01-117-9884
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S9404-76 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: 0.3400 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM IN
•
END DIAMETER: 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.0600 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 302 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763, CLASS 304 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-763, CLASS 304L FED SPEC 3RD MATERIAL RESPONSE AND QQ-S-763, CLASS 310 FED SPEC 4TH MATERIAL RESPONSE AND QQ-S-763, CLASS 305 FED SPEC 5TH MATERIAL RESPONSE AND QQ-S-763, CLASS 309 FED SPEC 6TH MATERIAL RESPONSE AND QQ-S-763, CLASS 316L FED SPEC 7TH MATERIAL RESPONSE AND QQ-S-763, CLASS 317 FED SPEC 8TH MATERIAL RESPONSE AND QQ-S-763, CLASS 347 FED SPEC 9TH MATERIAL RESPONSE
•
BORE DIAMETER: 0.0850 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.0900 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.3400 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM IN
END DIAMETER0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.0600 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 302 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763, CLASS 304 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-763, CLASS 304L FED SPEC 3RD MATERIAL RESPONSE AND QQ-S-763, CLASS 310 FED SPEC 4TH MATERIAL RESPONSE AND QQ-S-763, CLASS 305 FED SPEC 5TH MATERIAL RESPONSE AND QQ-S-763, CLASS 309 FED SPEC 6TH MATERIAL RESPONSE AND QQ-S-763, CLASS 316L FED SPEC 7TH MATERIAL RESPONSE AND QQ-S-763, CLASS 317 FED SPEC 8TH MATERIAL RESPONSE AND QQ-S-763, CLASS 347 FED SPEC 9TH MATERIAL RESPONSE
BORE DIAMETER0.0850 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 310 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 347 OR STEEL COMP 316 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 1
10117678Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S9404-76?
S9404-76 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace S9404-76?
There is 1 known substitute for S9404-76: 10117678. Substitute compatibility should be verified for your specific system.
What is the NSN for S9404-76?
S9404-76 is cataloged in the U.S. Government catalog under NSN 5340-01-117-9884. This indicates validated use in U.S. government and defense supply chains.
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