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181231 — SYNCHRONIZER,ELECTRICAL

✓ Government record, cited
Hama · MRO · MRO_GENERAL
PRODUCT OVERVIEW

181231: SYNCHRONIZER,ELECTRICAL.

The SYNCHRONIZER,ELECTRICAL is a Hama industrial component. Key specifications include phase: SINGLE FIRST OPERATING POWER RQMT, overall_depth: 8.500 INCHES NOMINAL IN, overall_width: 15.750 INCHES NOMINAL IN, overall_height: 8.500 INCHES NOMINAL IN, overall_length: 19.875 INCHES NOMINAL IN, frequency_rating: 60.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-421-9894, 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
MRO→ MRO_GENERAL→ 181231
NSN: 5305-00-421-9894
NIINs: 004219894, 005575568
FSC: 5305 — Screws
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
phaseSINGLE FIRST OPERATING POWER RQMT
overall_depth8.500 INCHES NOMINAL IN
overall_width15.750 INCHES NOMINAL IN
overall_height8.500 INCHES NOMINAL IN
overall_length19.875 INCHES NOMINAL IN
frequency_rating60.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT
ac_voltage_rating115.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
dc_voltage_rating28.0 VOLTS NOMINAL AND 300.0 VOLTS NOMINAL AND -300.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
output_signal_typePULSE
fsc_application_dataCONSOLE,CHECK-OUT,GUIDED MISSILE,GAR-1
input_signal_quantity9
input_impedance_rating91.0 OHMS
NSN5305-00-421-9894
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 181231 · Hama ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 181231?
181231 is a SYNCHRONIZER,ELECTRICAL manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 181231?
181231 is cataloged in the U.S. Government catalog under NSN 5305-00-421-9894. This indicates validated use in U.S. government and defense supply chains.
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