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64425K74 — HANDLE,MANUAL CONTROL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

64425K74: HANDLE,MANUAL CONTROL.

The HANDLE,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, overall_length: 3.0 INCHES NOMINAL IN, outside_diameter: 1.0 INCHES NOMINAL IN, end_item_identification: KC-46A SE A, part_name_assigned_by_controlling_agency: KNOB,HAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-657-4925, 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
64425K74
NSN: 5340-01-657-4925
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialALUMINUM BODY
overall_length3.0 INCHES NOMINAL IN
outside_diameter1.0 INCHES NOMINAL IN
end_item_identificationKC-46A SE A
part_name_assigned_by_controlling_agencyKNOB,HAND
NSN5340-01-657-4925
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 64425K74 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
•
OUTSIDE DIAMETER: 1.0 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM BODY
TECHNICAL CHARACTERISTICS
OVERALL LENGTH3.0 INCHES NOMINAL IN
OUTSIDE DIAMETER1.0 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYKNOB,HAND
END ITEM IDENTIFICATIONKC-46A SE A
MATERIALALUMINUM BODY
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
MA260001-44Same 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 64425K74?
64425K74 is a HANDLE,MANUAL CONTROL.
What parts can replace 64425K74?
There is 1 known substitute for 64425K74: MA260001-44. Substitute compatibility should be verified for your specific system.
What is the NSN for 64425K74?
64425K74 is cataloged in the U.S. Government catalog under NSN 5340-01-657-4925. 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.