The Bearing Circle, cataloged under National Stock Number 6605-01-131-7780, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
6605-01-131-7780
Item Name
Bearing Circle
FSC / FSG
6605 / 66 — Navigational Instruments
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
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
815-1853069 PIECE 2
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6605 — Navigational Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6605-00-001-3932
6605-00-001-3932 · Item name not on file
6605-00-001-3939
6605-00-001-3939 · Item name not on file
6605-00-001-3940
6605-00-001-3940 · Item name not on file
6605-00-001-4320
6605-00-001-4320 · Item name not on file
6605-00-001-4321
CONTROL UNIT,SHIP,P
6605-00-001-4322
6605-00-001-4322 · Item name not on file
6605-00-001-4323
6605-00-001-4323 · Item name not on file
6605-00-001-4327
6605-00-001-4327 · Item name not on file
Frequently Asked Questions
What is NSN 6605-01-131-7780?
NSN 6605-01-131-7780 is a Bearing Circle, classified under FSC 6605, Navigational Instruments. Status: active.
What are the specifications of 6605-01-131-7780?
Key specifications for 6605-01-131-7780: Special Features: C/O ALUMINUM RING,0.625 IN.THICK,7.375 IN.OUTSIDE DIA,4.500 IN.INSIDE DIA,HAVING SHOULDERS,HOLES AT VARIOUS LOCATION IN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6605-01-131-7780 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.
What is the DEMIL code for NSN 6605-01-131-7780?
NSN 6605-01-131-7780 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.