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216-911 — GEAR,HELICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

216-911: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, helix_angle: 18.0000 DEGREES, pitch_diameter: 0.5914 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 18, tooth_direction: LEFT. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-170-9146, 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
216-911
NSN: 5331-00-170-9146
NIINs: 001709146, 011610232
FSC: 5331 — O-ring
CAGE: U4271 — ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
helix_angle18.0000 DEGREES
pitch_diameter0.5914 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity18
tooth_directionLEFT
special_featuresEND ITEM DIESEL ENGINE,CUMMINS ENGINE CO,MODEL V903C
nominal_outside_diameter0.6540 INCHES IN
NSN5331-00-170-9146
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 216-911 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
SUBSTITUTES & CROSS-REFERENCES 1
STD1050-4071Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 216-911?
216-911 is a GEAR,HELICAL.
What parts can replace 216-911?
There is 1 known substitute for 216-911: STD1050-4071. Substitute compatibility should be verified for your specific system.
What is the NSN for 216-911?
216-911 is cataloged in the U.S. Government catalog under NSN 5331-00-170-9146. This indicates validated use in U.S. government and defense supply chains.
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