General Characteristics Item Description: BRASS,0.745 IN. MIN,0.755 IN. MAX LG,0.291 IN. MIN 0.301 IN. MAX W,0.115 IN. MIN 0.135 IN. MAX H IN
Identification
NSN: 6615-00-421-8907
NIIN: 004218907
FSC: 6615 — Automatic Pilot Mechanisms and Airborne Gyro Components
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Weight,counterbala, cataloged under National Stock Number 6615-00-421-8907, is classified within Federal Supply Class 6615 (Automatic Pilot Mechanisms and Airborne Gyro Components) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6615-00-421-8907
Item Name
Weight,counterbala
FSC / FSG
6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components
Status
ACTIVE
General Characteristics Item Description
BRASS,0.745 IN. MIN,0.755 IN. MAX LG,0.291 IN. MIN 0.301 IN. MAX W,0.115 IN. MIN 0.135 IN. MAX H IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
8953K73P004
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6615 — Automatic Pilot Mechanisms and Airborne Gyro Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6615-00-001-2505
GYROSCOPE,RATE
6615-00-001-2521
6615-00-001-2521 · Item name not on file
6615-00-001-3716
GYROMOTOR
6615-00-003-6602
6615-00-003-6602 · Item name not on file
6615-00-003-8469
6615-00-003-8469 · Item name not on file
6615-00-003-8470
6615-00-003-8470 · Item name not on file
6615-00-004-2193
6615-00-004-2193 · Item name not on file
6615-00-004-3779
6615-00-004-3779 · Item name not on file
Frequently Asked Questions
What is NSN 6615-00-421-8907?
NSN 6615-00-421-8907 is a Weight,counterbala, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
What are the specifications of 6615-00-421-8907?
Key specifications for 6615-00-421-8907: General Characteristics Item Description: BRASS,0.745 IN. MIN,0.755 IN. MAX LG,0.291 IN. MIN 0.301 IN. MAX W,0.115 IN. MIN 0.135 IN. MAX H IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 6615-00-421-8907 hazardous material?
No hazard code in the DLA record (HMIC N). 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.