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Technical Data Sheet
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51631 — Technical Data Sheet

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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 1680-01-074-9754, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
51631
NSN: 1680-01-074-9754
FSC: 1680
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC)
overall_width35.500 INCHES NOMINAL IN
overall_length38.700 INCHES NOMINAL IN
end_item_identificationOVEN HYDROVECTION 52567 MDL HV-100-EM
general_characteristics_item_descriptionDOOR BUMPER
part_name_assigned_by_controlling_agencyBEAN BAG RECTANGLE SHAPE
NSN1680-01-074-9754
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama PAD,POSITIONING,SURGICAL TITLE COMPONENT PN 51631 MFR Hama PAD,POSITIONING,SURGIC
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 16.250 IN. LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION16.250 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
OLYMPIC VAC-PAC SIZE 31Interchangeable
interchangeable cross-reference
interchangeable
6530NCM072130Interchangeable
interchangeable cross-reference
interchangeable
5764Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51631?
51631 is a PAD,POSITIONING,SURGICAL manufactured by Hama.
What parts can replace 51631?
There are 3 known substitutes for 51631: OLYMPIC VAC-PAC SIZE 31, 6530NCM072130, 5764. Substitute compatibility should be verified for your specific system.
What is the NSN for 51631?
51631 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-01-074-9754. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026