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311111-1 — DISK,SOLID,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

311111-1: DISK,SOLID,PLAIN.

The DISK,SOLID,PLAIN is a the manufacturer industrial component. Key specifications include diameter: 1.385 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN, material: STEEL COMP 301 OR STEEL COMP 302, thickness: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, special_features: D SHAPE OF DISK 0.525 IN. MIN,0.555 IN.

MAX,FROM CENTER OF DISK TO FLAT IN, surface_treatment: PASSIVATE, fsc_application_data: SOLENOID,VALVE,GAS TURBINE,NONAIRCRAFT. This part is cataloged in the U.S. Government catalog under NSN 5340-00-950-9796, 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
311111-1
NSN: 5340-00-950-9796
FSC: 5340 — Hardware, Commercial
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
diameter1.385 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN
materialSTEEL COMP 301 OR STEEL COMP 302
thickness0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
special_featuresD SHAPE OF DISK 0.525 IN. MIN,0.555 IN. MAX,FROM CENTER OF DISK TO FLAT IN
surface_treatmentPASSIVATE
fsc_application_dataSOLENOID,VALVE,GAS TURBINE,NONAIRCRAFT
material_document_and_classificationMIL-S-5059, COND 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-950-9796
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 311111-1 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
•
FSC APPLICATION DATA: SOLENOID,VALVE,GAS TURBINE,NONAIRCRAFT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059, COND 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
•
DIAMETER: 1.385 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302
•
THICKNESS: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATASOLENOID,VALVE,GAS TURBINE,NONAIRCRAFT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059, COND 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER1.385 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN
SPECIAL FEATURESD SHAPE OF DISK 0.525 IN. MIN,0.555 IN. MAX,FROM CENTER OF DISK TO FLAT IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 301 OR STEEL COMP 302
THICKNESS0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM 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 311111-1?
311111-1 is a DISK,SOLID,PLAIN.
What is the NSN for 311111-1?
311111-1 is cataloged in the U.S. Government catalog under NSN 5340-00-950-9796. This indicates validated use in U.S. government and defense supply chains.
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