NSN 6605-01-643-7308 · NIIN 016437308 · Part number HB-741
Ritchie E S and Sons Inc · FSC 6605 — Navigational Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 50967
Government record, cited
NSN 6605-01-643-7308 — this item is cataloged by the U.S. Government under National Stock Number 6605-01-643-7308. Manufacturer of record part number: HB-741.
The Compass,magnetic,mounted, cataloged under National Stock Number 6605-01-643-7308, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ritchie E S and Sons Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
6605-01-643-7308
Primary Part Number
HB-741
Item Name
Compass,magnetic,mounted
FSC / FSG
6605 / 66 — Navigational Instruments
Manufacturer
Ritchie E S and Sons Inc
Status
ACTIVE
Mounting Method
BRACKET(S)
Illuminated Feature
INCLUDED
Bowl Shape
SPHERICAL
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 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 6605-01-643-7308?
NSN 6605-01-643-7308 is a Compass,magnetic,mounted, manufactured by Ritchie E S and Sons Inc, classified under FSC 6605, Navigational Instruments. Status: active.
What part numbers are listed for NSN 6605-01-643-7308?
NSN 6605-01-643-7308 has 2 manufacturer part numbers on file: OUTF0100 (Safe Boats International Llc), HB-741 (Ritchie E S and Sons Inc).
What are the specifications of HB-741?
Key specifications for HB-741: Mounting Method: BRACKET(S); Illuminated Feature: INCLUDED; Special Features: 3 3/4 INCH COMBIDAMP DIAL IN; Bowl Shape: SPHERICAL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 6605-01-643-7308 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.