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MS21312-4 — HANDWHEEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS21312-4: HANDWHEEL.

The HANDWHEEL is a the manufacturer industrial component. Key specifications include ratchet: NOT INCLUDED, material: ALUMINUM ALLOY 2024 HANDLE, hub_length: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN, keyway_depth: 0.0685 INCHES MINIMUM AND 0.0735 INCHES MAXIMUM IN, keyway_width: 0.1260 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN, overall_height: 1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-383-6084, 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
MS21312-4
NSN: 5340-01-383-6084
FSC: 5340 — Hardware, Commercial
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
ratchetNOT INCLUDED
materialALUMINUM ALLOY 2024 HANDLE
hub_length1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
keyway_depth0.0685 INCHES MINIMUM AND 0.0735 INCHES MAXIMUM IN
keyway_width0.1260 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN
overall_height1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
spoke_quantity6
handwheel_styleSPOKES
inside_diameter0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
outside_diameter7.940 INCHES MINIMUM AND 8.060 INCHES MAXIMUM IN
surface_treatmentANODIZE HANDLE
spoke_angle_in_deg45.0
NSN5340-01-383-6084
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21312-4 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: 0.0685 INCHES MINIMUM AND 0.0735 INCHES MAXIMUM IN
•
HUB OUTSIDE DIAMETER: 1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE HANDLE
•
HANDLE ROTATING FEATURE: INCLUDED
•
HUB LENGTH: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
•
HANDLE COUNTERBALANCING WEIGHT: NOT INCLUDED
•
SPOKE ANGLE IN DEG: 45.0
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.0685 INCHES MINIMUM AND 0.0735 INCHES MAXIMUM IN
OVERALL HEIGHT1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
HUB OUTSIDE DIAMETER1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE HANDLE
HANDLE ROTATING FEATUREINCLUDED
HUB LENGTH1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
HANDLE COUNTERBALANCING WEIGHTNOT INCLUDED
SPOKE ANGLE IN DEG45.0
RATCHETNOT INCLUDED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE HANDLE
SUBSTITUTES & CROSS-REFERENCES 3
MIL-H-9859Reference document
Same NSN cross-reference
Reference document — Identification reference
22302-SPECIALReference document
Same NSN cross-reference
Reference document — Secondary reference
22302-X015Same 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 MS21312-4?
MS21312-4 is a HANDWHEEL.
What parts can replace MS21312-4?
There are 3 known substitutes for MS21312-4: MIL-H-9859, 22302-SPECIAL, 22302-X015. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21312-4?
MS21312-4 is cataloged in the U.S. Government catalog under NSN 5340-01-383-6084. This indicates validated use in U.S. government and defense supply chains.
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