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Technical Data Sheet
PartsTable / COMPONENT / 51630
51630 ✓ Verified by PartsTable
Hama · 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

- Adjustable microphone arm<br>- In-line volume control and microphone mute<br>- Padded earpieces for comfortable carrying<br>- Single-sided cable<br><br><b>Technical details (headphones):</b><br>- Power output: max. 100 mW<br>- Frequency range: 20 Hz - 20 kHz<br>- Sensitivity: 113dB +/- 3dB<br>- Impedance: 32 ohms<br><br><b>Technical details (microphone):</b><br>- Frequency range: 15 Hz - 20 kHz<br>- Sensitivity: 58 dB +/- 2 dB<br>- Impedance: low This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-618-3519, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
51630
NSN: 6685-00-618-3519
FSC: 6685
CAGE: 94833 — KECO INDUSTRIES, INC. (USA)
SPECIFICATIONS
colorBLACK CASE
materialPLASTIC
dial_size1-1/2 IN. DIA IN
bezel_typeSLIPS-ON
body_styleEARPHONE ELEMENT, CIRCULAR
scale_namePRESSURE
scale_typeSINGLE
design_typeNONREUSABLE
scale_range+0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH LBS
pointer_typeINDICATING
adjustabilityNONADJUSTABLE
body_diameter2.828 INCHES NOMINAL IN
NSN6685-00-618-3519
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama FLANGE,COMPANION,VEHICULAR UNIVE TITLE COMPONENT PN 51630 MFR Hama FLANGE,COMPANION,VEHIC
KEY FEATURES
•
SURFACE TREATMENT: ENAMEL
•
ADJUSTABILITY: NONADJUSTABLE
•
POINTER TYPE: INDICATING
•
CONNECTION LOCATION: BACK, CENTER
•
DIAL SIZE: 2-1/2 IN. DIA IN
•
MATERIAL: COPPER ALLOY 511 ACTUATING ELEMENT
•
SCALE NAME FOR WHICH POINTER IS DESIGNED: PRESSURE-VACUUM
•
ACTUATION TYPE: SINGLE BOURDON TUBE
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTENAMEL
ADJUSTABILITYNONADJUSTABLE
POINTER TYPEINDICATING
CONNECTION LOCATIONBACK, CENTER
DIAL SIZE2-1/2 IN. DIA IN
MATERIALCOPPER ALLOY 511 ACTUATING ELEMENT
SCALE NAME FOR WHICH POINTER IS DESIGNEDPRESSURE-VACUUM
ACTUATION TYPESINGLE BOURDON TUBE
GRADUATION UNIT5.0 INCHES AND 10.0 POUNDS PER SQUARE INCH LBS
SCALE TYPEMULTIPLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
2 1-2 3DFM1-4CBM30X30Interchangeable
interchangeable cross-reference
interchangeable
45BInterchangeable
interchangeable cross-reference
interchangeable
644UInterchangeable
interchangeable cross-reference
interchangeable
844UInterchangeable
interchangeable cross-reference
interchangeable
1-119987Interchangeable
interchangeable cross-reference
interchangeable
11CS175PC17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51630?
51630 is a FLANGE,COMPANION,VEHICULAR UNIVE manufactured by Hama.
What parts can replace 51630?
There are 28 known substitutes for 51630: 2 1-2 3DFM1-4CBM30X30, 45B, 644U and 25 more. Substitute compatibility should be verified for your specific system.
Is 51630 still available?
51630 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026