PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2411930-18Indicator,wind Direction and Spe

Nav Systems Inc. · NSN 6660-01-133-9740 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-01-133-9740 — this item is cataloged by the U.S. Government under National Stock Number 6660-01-133-9740. Primary manufacturer part number: 2411930-18.
Features
  • Indicator,wind Direction and Spe — FSC 6660
  • Phase: SINGLE
  • Width: 7.000 INCHES NOMINAL IN
  • Presentation Type: DIAL
  • Frequency Rating: 60.0 HERTZ NOMINAL
  • Depth: 11.250 INCHES NOMINAL IN
  • AC Voltage Rating: 115.0 VOLTS NOMINAL
  • Length: 17.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,wind Direction and Spe, cataloged under National Stock Number 6660-01-133-9740, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Nav Systems Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-01-133-9740
Primary Part Number2411930-18
Item NameIndicator,wind Direction and Spe
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerNav Systems Inc.
StatusACTIVE
PhaseSINGLE
Width7.000 INCHES NOMINAL IN
Presentation TypeDIAL
Frequency Rating60.0 HERTZ NOMINAL
Depth11.250 INCHES NOMINAL IN
AC Voltage Rating115.0 VOLTS NOMINAL
Length17.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-073-0468 INTERCHANGEABLE
Packing Assembly
4730-00-277-681913518 INTERCHANGEABLE
Elbow,pipe
Triumph Engine Control Systems Llc
4720-00-425-363913518 INTERCHANGEABLE
Hose,preformed
Garwood/feller Inc Garwood Winch Div
4710-01-147-850013518 INTERCHANGEABLE
Tube,bent,metallic
Westerbeke Corporation
3120-01-226-7570 INTERCHANGEABLE
Bearing,snap Ring
6240-01-344-948148B10C/W/4M/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
1730-01-461-42963528 INTERCHANGEABLE
Axle,towbar,aircraft
Pdi Ground Support Systems, Inc.
2990-01-548-4746013518 INTERCHANGEABLE
Hanger,engine Exhaust System
Denel Vehicle Systems
6515-01-577-4584292.71 INTERCHANGEABLE
Wire,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5340-01-628-817913518 INTERCHANGEABLE
Lock,flush
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
2411930D-5011-18 Belfort Instrument Company (USA)
2411930-18 PRIMARY Nav Systems Inc. (USA)
2411930-18 Belfort Instrument Company (USA)
135-18 Belfort Instrument Company (USA)
Related Parts
5330-00-073-0468INTERCHANGEABLE
PACKING ASSEMBLY
4730-00-277-6819INTERCHANGEABLE
ELBOW,PIPE
13518
4720-00-425-3639INTERCHANGEABLE
HOSE,PREFORMED
13518
4710-01-147-8500INTERCHANGEABLE
TUBE,BENT,METALLIC
13518
3120-01-226-7570INTERCHANGEABLE
BEARING,SNAP RING
6240-01-344-9481INTERCHANGEABLE
LAMP,INCANDESCENT
48B10C/W/4M/SS/120V
1730-01-461-4296INTERCHANGEABLE
AXLE,TOWBAR,AIRCRAFT
3528
2990-01-548-4746INTERCHANGEABLE
HANGER,ENGINE EXHAUST SYSTEM
013518
6515-01-577-4584INTERCHANGEABLE
WIRE,BONE
292.71
5340-01-628-8179INTERCHANGEABLE
LOCK,FLUSH
13518
6520-01-673-6523INTERCHANGEABLE
BASKET,ULTRASONIC CLEANER
13518

Frequently Asked Questions

What is NSN 6660-01-133-9740?

NSN 6660-01-133-9740 is a Indicator,wind Direction and Spe, manufactured by Nav Systems Inc., classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-01-133-9740?

NSN 6660-01-133-9740 has 4 cross-referenced part numbers: 2411930D-5011-18 (Belfort Instrument Company), 2411930-18 (Nav Systems Inc.), 2411930-18 (Belfort Instrument Company), 135-18 (Belfort Instrument Company).

What NSN replaces 6660-01-133-9740?

There are 11 known substitutes for 6660-01-133-9740: 5330-00-073-0468, 4730-00-277-6819, 4720-00-425-3639 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2411930-18?

Key specifications for 2411930-18: Special Features: CASE MATERIAL: METAL; Phase: SINGLE; Width: 7.000 INCHES NOMINAL IN; End Item Identification: USED WITH MODEL 120 TRANSMITTER WHICH FURNISHES AIR SPEED AND WIND DIRECTION INPUTS. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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