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Technical Data Sheet
137971 ✓ Verified by PartsTable
Hama · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CIRCUIT CARD ASSEMBLY is a Hama industrial component. Key specifications include material: STEEL, indicator_type: DIAL W/POINTER, overall_length: 1.890 INCHES NOMINAL IN, overall_diameter: 2.695 INCHES NOMINAL IN, special_features: PRINTED WIRING BOARD 1,DIODE 100,RESISTOR 45,RESISTOR NETWORK 6,MICROCIRCUIT 4,TRANSISTOR 8,CAPACITOR 16, special_markings: RED BAND 0 TO 30,70 TO 100; YELLOW BAND 30 TO 40,60 TO 70. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-104-8994, 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
137971
NSN: 6625-00-104-8994
FSC: 6625
CAGE: 92755 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL
indicator_typeDIAL W/POINTER
overall_length1.890 INCHES NOMINAL IN
overall_diameter2.695 INCHES NOMINAL IN
special_featuresPRINTED WIRING BOARD 1,DIODE 100,RESISTOR 45,RESISTOR NETWORK 6,MICROCIRCUIT 4,TRANSISTOR 8,CAPACITOR 16
special_markingsRED BAND 0 TO 30,70 TO 100; YELLOW BAND 30 TO 40,60 TO 70
style_designatorROUND FLUSH MTG
unable_to_decodeUNABLE TO DECODE
sensitivity_rating150.0 MILLIVOLTS
accuracy_in_percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
installation_designPANEL
fsc_application_dataTEST SET,ELECT. EQUIP.
NSN6625-00-104-8994
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama CIRCUIT CARD ASSEMBLY TITLE COMPONENT PN 137971 MFR Hama CIRCUIT CARD ASSEMBLY
KEY FEATURES
INSTALLATION DESIGN: PANEL
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 SOLDER LUG
FSC APPLICATION DATA: TEST SET,ELECT. EQUIP.
STYLE DESIGNATOR: ROUND FLUSH MTG
DIAL SCALE MARKING COLOR: BLACK AND GREEN AND RED AND YELLOW SINGLE INDICATOR SINGLE RANGE
NUCLEAR HARDNESS CRITICAL FEATURE: NONHARDENED
CIRCUIT CURRENT FOR WHICH DESIGNED: DC
TECHNICAL CHARACTERISTICS (FLIS)
INSTALLATION DESIGNPANEL
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 SOLDER LUG
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
STYLE DESIGNATORROUND FLUSH MTG
DIAL SCALE MARKING COLORBLACK AND GREEN AND RED AND YELLOW SINGLE INDICATOR SINGLE RANGE
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
OVERALL LENGTH1.890 INCHES NOMINAL IN
CIRCUIT CURRENT FOR WHICH DESIGNEDDC
OVERALL DIAMETER2.695 INCHES NOMINAL IN
SENSITIVITY RATING150.0 MILLIVOLTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
137971Upgraded Successor
successor cross-reference
successor
2629-4228-13Interchangeable
interchangeable cross-reference
interchangeable
PL110MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137971?
137971 is a CIRCUIT CARD ASSEMBLY manufactured by Hama.
What parts can replace 137971?
There are 3 known substitutes for 137971: 137971, 2629-4228-13, PL110M. Substitute compatibility should be verified for your specific system.
What is the NSN for 137971?
137971 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-104-8994. This indicates validated use in U.S. government and defense supply chains.
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