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C99S12270-11 — HANDWHEEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C99S12270-11: HANDWHEEL.

The HANDWHEEL is a the manufacturer industrial component. Key specifications include ratchet: NOT INCLUDED, material: STEEL OVERALL, hub_length: 1.500 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, handwheel_style: DISK, outside_diameter: 5.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-401-3690, 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
C99S12270-11
NSN: 5340-01-401-3690
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
ratchetNOT INCLUDED
materialSTEEL OVERALL
hub_length1.500 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
handwheel_styleDISK
outside_diameter5.750 INCHES NOMINAL IN
hub_outside_diameter2.624 INCHES MINIMUM AND 2.626 INCHES MAXIMUM IN
handle_rotating_featureNOT INCLUDED
handle_counterbalancing_weightNOT INCLUDED
NSN5340-01-401-3690
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C99S12270-11 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
•
HUB OUTSIDE DIAMETER: 2.624 INCHES MINIMUM AND 2.626 INCHES MAXIMUM IN
•
HANDLE ROTATING FEATURE: NOT INCLUDED
•
HUB LENGTH: 1.500 INCHES NOMINAL IN
•
HANDLE COUNTERBALANCING WEIGHT: NOT INCLUDED
•
RATCHET: NOT INCLUDED
•
OUTSIDE DIAMETER: 5.750 INCHES NOMINAL IN
•
HANDWHEEL STYLE: DISK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.500 INCHES NOMINAL IN
HUB OUTSIDE DIAMETER2.624 INCHES MINIMUM AND 2.626 INCHES MAXIMUM IN
HANDLE ROTATING FEATURENOT INCLUDED
HUB LENGTH1.500 INCHES NOMINAL IN
HANDLE COUNTERBALANCING WEIGHTNOT INCLUDED
RATCHETNOT INCLUDED
OUTSIDE DIAMETER5.750 INCHES NOMINAL IN
HANDWHEEL STYLEDISK
COLORGREEN OVERALL
MATERIALSTEEL OVERALL
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 1
C99S12270Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 C99S12270-11?
C99S12270-11 is a HANDWHEEL.
What parts can replace C99S12270-11?
There is 1 known substitute for C99S12270-11: C99S12270. Substitute compatibility should be verified for your specific system.
What is the NSN for C99S12270-11?
C99S12270-11 is cataloged in the U.S. Government catalog under NSN 5340-01-401-3690. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.