NSN 5965-01-573-5021 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-573-5021. Manufacturer of record part number: ES945W.
Also searched as5965-01-573-5021 ·
5965015735021 ·
NIIN 015735021 ·
01-573-5021 ·
FSC 5965 Headsets, Handsets, Microphones and Speakers · CAGE 2Y658 · ES945W
Manufacturer of record: Audio Technical Services Ltd
Identification
NSN: 5965-01-573-5021
NIIN: 015735021
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: ES945W
Manufacturer: Audio Technical Services Ltd
General Description
The Microphone Element, cataloged under National Stock Number 5965-01-573-5021, 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 Audio Technical Services Ltd. Government technical data includes 2 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
5965-01-573-5021
Primary Part Number
ES945W
Item Name
Microphone Element
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Manufacturer
Audio Technical Services Ltd
Status
ACTIVE
Element Type
OMNI DIRECTIONAL CONDENSER
Impedance Rating
200.0 OHMS NOMINAL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5965-01-573-5021?
NSN 5965-01-573-5021 is a Microphone Element, manufactured by Audio Technical Services Ltd, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
What part numbers are listed for NSN 5965-01-573-5021?
NSN 5965-01-573-5021 has 1 manufacturer part number on file: ES945W (Audio Technical Services Ltd).
What are the specifications of ES945W?
Key specifications for ES945W: Element Type: OMNI DIRECTIONAL CONDENSER; Impedance Rating: 200.0 OHMS NOMINAL; Special Features: HIGH-QUALITY SOUND, RUGGED ALL-METAL CASE, 360 DGREE PICKUP ANGLE; Part Name Assigned by Controlling Agency: BOUNDARY MICROPHONE, WHITE. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5965-01-573-5021 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.