NSN 5965-01-668-9844 · NIIN 016689844 · Part number 40991G-01
David Clark Co Inc Div David Clark Company, Inc. · FSC 5965 — Headsets, Handsets, Microphones and Speakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 71483
Government record, cited
NSN 5965-01-668-9844 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-668-9844. Manufacturer of record part number: 40991G-01.
Also searched as5965-01-668-9844 ·
5965016689844 ·
NIIN 016689844 ·
01-668-9844 ·
FSC 5965 Headsets, Handsets, Microphones and Speakers · CAGE 71483 · 40991G-01
Manufacturer of record: David Clark Co Inc Div David Clark Company, Inc.
Identification
NSN: 5965-01-668-9844
NIIN: 016689844
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 40991G-01
Manufacturer: David Clark Co Inc Div David Clark Company, Inc.
General Description
The Headset-Microphone, cataloged under National Stock Number 5965-01-668-9844, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is David Clark Co Inc Div David Clark Company, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5965-01-668-9844
Primary Part Number
40991G-01
Item Name
Headset-Microphone
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Manufacturer
David Clark Co Inc Div David Clark Company, Inc.
Status
ACTIVE
Microphone Element Type
DYNAMIC
Earphone Identifying Number
H9930 MODEL NO.
Earphone Quantity
2
Earphone Element Type
DYNAMIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
David Clark Co Inc Div David Clark Company, Inc. (USA)
No interchangeability data on file.
Other items in FSC 5965 — Headsets, Handsets, Microphones and Speakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5965-00-001-1492
5965-00-001-1492 · Item name not on file
5965-00-001-7591
CUSHION,EAR
5965-00-001-7592
CUSHION,HEADBAND
5965-00-001-7593
MICROPHONE ELEMENT
5965-00-003-2686
5965-00-003-2686 · Item name not on file
5965-00-003-2690
5965-00-003-2690 · Item name not on file
5965-00-003-4754
5965-00-003-4754 · Item name not on file
5965-00-004-5510
5965-00-004-5510 · Item name not on file
Frequently Asked Questions
What is NSN 5965-01-668-9844?
NSN 5965-01-668-9844 is a Headset-Microphone, manufactured by David Clark Co Inc Div David Clark Company, Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
What part numbers are listed for NSN 5965-01-668-9844?
NSN 5965-01-668-9844 has 1 manufacturer part number on file: 40991G-01 (David Clark Co Inc Div David Clark Company, Inc.).
What are the specifications of 40991G-01?
Key specifications for 40991G-01: Microphone Element Type: DYNAMIC; Earphone Identifying Number: H9930 MODEL NO.; Earphone Quantity: 2; Special Features: HARDWARE STAINLESS-STEEL (18-8), RESPONSE 20HZ TO 20KHZ, MIC IMPEDANCE 5OHM, CORD CONNECTOR WITH MAP 57-50, CORD LENGTH 6 FEET, KHz. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5965-01-668-9844 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.