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Technical Data Sheet
H91U ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include connector_name: PLUG, mounting_method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE, frequency_rating: 0.3 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM, impedance_rating: 25.0 OHMS NOMINAL, special_features: RECEIVER-MICROPHONE ASSY MAY BE REMOVED FROM HEADBAND AND USED AS A HANDSET, controlling_agency: ROANWELL CORP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-309-4814, 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
H91U
NSN: 5965-00-309-4814
FSC: 5965
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
connector_namePLUG
mounting_methodSUSPENDED ON ADJUSTABLE HEADBAND EARPHONE
frequency_rating0.3 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM
impedance_rating25.0 OHMS NOMINAL
special_featuresRECEIVER-MICROPHONE ASSY MAY BE REMOVED FROM HEADBAND AND USED AS A HANDSET
earphone_quantity1
controlling_agencyROANWELL CORP
identifying_number10037 DRAWING NO.
output_level_rating35 DB ABOVE 1 MV DB
earphone_element_typeMAGNETIC
microphone_element_typeCARBON
operating_current_rating60.0 MILLIAMPERES NOMINAL
NSN5965-00-309-4814
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,COMPOSITION TITLE COMPONENT PN H91U MFR RESISTOR,FIXED,COMPOSI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MIL-H-12576Interchangeable
interchangeable cross-reference
interchangeable
H-91/UInterchangeable
interchangeable cross-reference
interchangeable
1491Interchangeable
interchangeable cross-reference
interchangeable
GC625Interchangeable
interchangeable cross-reference
interchangeable
1600137-36Interchangeable
interchangeable cross-reference
interchangeable
6795268Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H91U?
H91U is a RESISTOR,FIXED,COMPOSITION.
What parts can replace H91U?
There are 6 known substitutes for H91U: MIL-H-12576, H-91/U, 1491 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H91U?
H91U is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-309-4814. This indicates validated use in U.S. government and defense supply chains.
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