General Characteristics Item Description: TWO 0.102 IN. DIAMETER MOUNTING HOLES; MATERIAL STEEL IN
Identification
NSN: 5965-00-129-9779
NIIN: 001299779
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Balance Spring, cataloged under National Stock Number 5965-00-129-9779, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5965-00-129-9779
Item Name
Balance Spring
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Status
ACTIVE
General Characteristics Item Description
TWO 0.102 IN. DIAMETER MOUNTING HOLES; MATERIAL STEEL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SC-D-14006-3
3/2Design control — primary reference
U.S. Government activity
SC-D-14006-3
5/2Secondary reference
U.S. Government activity
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 5965-00-129-9779?
NSN 5965-00-129-9779 is a Balance Spring, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
What are the specifications of 5965-00-129-9779?
Key specifications for 5965-00-129-9779: General Characteristics Item Description: TWO 0.102 IN. DIAMETER MOUNTING HOLES; MATERIAL STEEL IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 5965-00-129-9779 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.