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MS21312-2 — HANDWHEEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS21312-2: HANDWHEEL.

The HANDWHEEL is a the manufacturer industrial component. Key specifications include ratchet: NOT INCLUDED, material: ALUMINUM ALLOY WHEEL, hub_length: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN, handle_style: RECESSED ROUND, keyway_depth: 0.0529 INCHES MINIMUM AND 0.0579 INCHES MAXIMUM IN, keyway_width: 0.0948 INCHES MINIMUM AND 0.0968 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
MS21312-2
NSN: 5340-00-138-9797
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 WHEEL
hub_length0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
handle_styleRECESSED ROUND
keyway_depth0.0529 INCHES MINIMUM AND 0.0579 INCHES MAXIMUM IN
keyway_width0.0948 INCHES MINIMUM AND 0.0968 INCHES MAXIMUM IN
handle_length3.031 INCHES NOMINAL IN
overall_height1.297 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
spoke_quantity6
handwheel_styleSPOKES
inside_diameter0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
mounting_methodPIN(S) HANDLE
NSN5340-00-138-9797
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21312-2 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
MIL-H-9859Reference document
Same NSN cross-reference
Reference document — Identification reference
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 MS21312-2?
MS21312-2 is a HANDWHEEL.
What parts can replace MS21312-2?
There is 1 known substitute for MS21312-2: MIL-H-9859. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21312-2?
MS21312-2 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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