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903-5912049PC18 — HANDLE,MANUAL CONTROL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

903-5912049PC18: HANDLE,MANUAL CONTROL.

The HANDLE,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A2A, thread_length: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL4.000 INCHES NOMINAL IN, mounting_method: THREADED SHAFTTHREADED SHAFT, outside_diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-418-3706, 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
903-5912049PC18
NSN: 5340-01-418-3706
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A2A
thread_length0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL4.000 INCHES NOMINAL IN
mounting_methodTHREADED SHAFTTHREADED SHAFT
outside_diameter0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
thread_directionRIGHT-HANDRIGHT-HAND
nominal_thread_size0.3125 INCHES0.3125 INCHES IN
thread_quantity_per_inch1818
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationMIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-418-3706
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 903-5912049PC18 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
•
MOUNTING METHOD: THREADED SHAFTTHREADED SHAFT
•
THREAD LENGTH: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
NOMINAL THREAD SIZE: 0.3125 INCHES0.3125 INCHES IN
•
THREAD CLASS: 2A2A
TECHNICAL CHARACTERISTICS
MOUNTING METHODTHREADED SHAFTTHREADED SHAFT
THREAD LENGTH0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH4.000 INCHES NOMINAL4.000 INCHES NOMINAL IN
OUTSIDE DIAMETER0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
NOMINAL THREAD SIZE0.3125 INCHES0.3125 INCHES IN
THREAD CLASS2A2A
THREAD QUANTITY PER INCH1818
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 903-5912049PC18?
903-5912049PC18 is a HANDLE,MANUAL CONTROL.
What is the NSN for 903-5912049PC18?
903-5912049PC18 is cataloged in the U.S. Government catalog under NSN 5340-01-418-3706. 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.