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Technical Data Sheet
1377-M187 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CARTRIDGE,IMPULSE is a the manufacturer industrial component. Key specifications include diameter: 1.155 INCHES NOMINAL IN, material: ALUMINUM CASE, terminal_type: CONTACT PIN, voltage_in_volts: 28.0, wrenching_facility: NOT INCLUDED, color_coded_feature: NOT INCLUDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1377-01-057-0685, 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
1377-M187
NSN: 1377-01-057-0685
FSC: 1377
CAGE: 99999 — DEPARTMENT OF DEFENSE AMMUNITION CODE ASSIGNED AND PROMULGATED BY CHARACTERISTICS AND TAXOMONY BRANCH DEFENSE LOGISTICS (USA)
SPECIFICATIONS
diameter1.155 INCHES NOMINAL IN
materialALUMINUM CASE
terminal_typeCONTACT PIN
voltage_in_volts28.0
wrenching_facilityNOT INCLUDED
color_coded_featureNOT INCLUDED
dod_ammunition_code1377-M187
case_mounting_threadNOT INCLUDED
net_explosive_weight0.0276 STORAGE POUNDS AND 0.0276 TRANSPORTATION POUNDS
dot_registration_codeEX1993070048
cartridge_model_numberARD446-1A1W
current_rating_in_amps4.0
NSN1377-01-057-0685
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CARTRIDGE,IMPULSE TITLE COMPONENT PN 1377-M187 MFR CARTRIDGE,IMPULSE
KEY FEATURES
HAZARDOUS MATERIAL CLASSIFICATION CODE: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
DOT HAZARD CLASS/DIVISION: 1.4
DOT IDENTIFICATION NUMBER: UN0276
DOD AMMUNITION CODE: 1377-M187
DOT REGISTRATION CODE: EX1988080314
DOT WARNING LABEL CODE: 1.4C
NET EXPLOSIVE WEIGHT: 0.0276 STORAGE POUNDS AND 0.0276 TRANSPORTATION POUNDS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESPACKED 4 PER METAL CN,1 CN IN A WEATHER RESISTANT FIBERBOARD CARTON,WT 2.000 LBS,0.570 CUFT,0.47 SQFT,DIM 8.250 X 8.250 X 14.500 INCHES,SHIP TONS PER PK 0.014 LBS
HAZARDOUS MATERIAL CLASSIFICATION CODE1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
DOT HAZARD CLASS/DIVISION1.4
DOT IDENTIFICATION NUMBERUN0276
DOD AMMUNITION CODE1377-M187
DOT REGISTRATION CODEEX1988080314
DOT WARNING LABEL CODE1.4C
NET EXPLOSIVE WEIGHT0.0276 STORAGE POUNDS AND 0.0276 TRANSPORTATION POUNDS
CRITICALITY CODE JUSTIFICATIONEXWT
DOT PROPER SHIPPING NAMECARTRIDGES, POWER DEVICE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
P7877-1Interchangeable
interchangeable cross-reference
interchangeable
ARD446-1Interchangeable
interchangeable cross-reference
interchangeable
1377-WB32Interchangeable
interchangeable cross-reference
interchangeable
P06004OOInterchangeable
interchangeable cross-reference
interchangeable
ARD446-1A1WInterchangeable
interchangeable cross-reference
interchangeable
1377-M187Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1377-M187?
1377-M187 is a CARTRIDGE,IMPULSE.
What parts can replace 1377-M187?
There are 6 known substitutes for 1377-M187: P7877-1, ARD446-1, 1377-WB32 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1377-M187?
1377-M187 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1377-01-057-0685. This indicates validated use in U.S. government and defense supply chains.
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