NSN 5965-01-577-1977 · NIIN 015771977 · Part number ERC000007-A
Silynx Communications, Inc. · FSC 5965 — Headsets, Handsets, Microphones and Speakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 4AF44
Government record, cited
NSN 5965-01-577-1977 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-577-1977. Manufacturer of record part number: ERC000007-A.
Also searched as5965-01-577-1977 ·
5965015771977 ·
NIIN 015771977 ·
01-577-1977 ·
FSC 5965 Headsets, Handsets, Microphones and Speakers · CAGE 4AF44 · ERC000007-A
Manufacturer of record: Silynx Communications, Inc.
Identification
NSN: 5965-01-577-1977
NIIN: 015771977
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: ERC000007-A
Manufacturer: Silynx Communications, Inc.
General Description
The Shell,earphone, cataloged under National Stock Number 5965-01-577-1977, 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 Silynx Communications, Inc.. 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
5965-01-577-1977
Primary Part Number
ERC000007-A
Item Name
Shell,earphone
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Manufacturer
Silynx Communications, Inc.
Status
ACTIVE
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 5965-01-577-1977?
NSN 5965-01-577-1977 is a Shell,earphone, manufactured by Silynx Communications, Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
What part numbers are listed for NSN 5965-01-577-1977?
NSN 5965-01-577-1977 has 1 manufacturer part number on file: ERC000007-A (Silynx Communications, Inc.).
What are the specifications of ERC000007-A?
Key specifications for ERC000007-A: Special Features: SZ-SM EAR RETAINERS-SHELL FOR A MARITIME COMMUNICATION HEADSET; Part Name Assigned by Controlling Agency: EAR RETAINERS-SHELL; End Item Identification: SIN0003-01-X5. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5965-01-577-1977 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.