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MIL-H-9859 — HANDWHEEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MIL-H-9859: HANDWHEEL.

The HANDWHEEL is a the manufacturer industrial component. Key specifications include ratchet: NOT INCLUDED, material: STEEL OVERALL, hub_length: 1.4840 INCHES MINIMUM AND 1.5160 INCHES MAXIMUM IN, handle_style: RECESSED ROUND, handle_length: 3.2810 INCHES NOMINAL IN, overall_height: 2.3590 INCHES MINIMUM AND 2.3910 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-138-9797, 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
MIL-H-9859
NSN: 5340-00-138-9797
NIINs: 001389797, 004455306, 013836084, 014491038
FSC: 5340 — Hardware, Commercial
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
ratchetNOT INCLUDED
materialSTEEL OVERALL
hub_length1.4840 INCHES MINIMUM AND 1.5160 INCHES MAXIMUM IN
handle_styleRECESSED ROUND
handle_length3.2810 INCHES NOMINAL IN
overall_height2.3590 INCHES MINIMUM AND 2.3910 INCHES MAXIMUM IN
spoke_quantity6
handwheel_styleSPOKES
outside_diameter8.0000 INCHES NOMINAL IN
special_featuresTHE IT IS MADE TO MIL-H-9859
drive_facility_styleKEYWAY
hub_outside_diameter1.7200 INCHES MINIMUM AND 1.7800 INCHES MAXIMUM IN
NSN5340-00-138-9797
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-H-9859 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
•
KEYWAY DEPTH: 0.0529 INCHES MINIMUM AND 0.0579 INCHES MAXIMUM IN
•
HUB OUTSIDE DIAMETER: 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
•
HANDLE STYLE: RECESSED ROUND
•
HANDLE ROTATING FEATURE: INCLUDED
•
HANDLE LENGTH: 3.031 INCHES NOMINAL IN
•
HUB LENGTH: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
•
HANDLE COUNTERBALANCING WEIGHT: NOT INCLUDED
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.0529 INCHES MINIMUM AND 0.0579 INCHES MAXIMUM IN
OVERALL HEIGHT1.297 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
HUB OUTSIDE DIAMETER1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
HANDLE STYLERECESSED ROUND
HANDLE ROTATING FEATUREINCLUDED
HANDLE LENGTH3.031 INCHES NOMINAL IN
HUB LENGTH0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
HANDLE COUNTERBALANCING WEIGHTNOT INCLUDED
MOUNTING METHODPIN(S) HANDLE
SPOKE ANGLE IN DEG60.0
SUBSTITUTES & CROSS-REFERENCES 1
MS21312-2Same 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 MIL-H-9859?
MIL-H-9859 is a HANDWHEEL.
What parts can replace MIL-H-9859?
There is 1 known substitute for MIL-H-9859: MS21312-2. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-H-9859?
MIL-H-9859 is cataloged in the U.S. Government catalog under NSN 5340-00-138-9797. This indicates validated use in U.S. government and defense supply chains.
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