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857431-1 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

857431-1: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY 6061, design_type: SOLID, end_diameter: 1.1020 INCHES NOMINAL IN, bore_diameter: 1.0000 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM IN, overall_height: 0.1500 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN, special_features: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-782-0052, 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
857431-1
NSN: 5340-00-782-0052
FSC: 5340 — Hardware, Commercial
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeSOLID
end_diameter1.1020 INCHES NOMINAL IN
bore_diameter1.0000 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM IN
overall_height0.1500 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
special_featuresNOT CASEHARDENED
first_step_length0.0450 INCHES NOMINAL IN
seat_angle_in_deg30.0
first_step_diameter1.1730 INCHES NOMINAL IN
second_end_diameter1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN
counterbore_diameter0.6200 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN
second_counterbore_diameter1.0550 INCHES NOMINAL IN
NSN5340-00-782-0052
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 857431-1 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: 1.1730 INCHES NOMINAL IN
•
END DIAMETER: 1.1020 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 30.0
•
SECOND END DIAMETER: 1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1500 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
FIRST STEP DIAMETER1.1730 INCHES NOMINAL IN
END DIAMETER1.1020 INCHES NOMINAL IN
SEAT ANGLE IN DEG30.0
SECOND END DIAMETER1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
COUNTERBORE DIAMETER0.6200 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN
SECOND COUNTERBORE DIAMETER1.0550 INCHES NOMINAL IN
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 857431-1?
857431-1 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 857431-1?
857431-1 is cataloged in the U.S. Government catalog under NSN 5340-00-782-0052. This indicates validated use in U.S. government and defense supply chains.
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