PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X1509-1Counter,rotating

Bowmar Llc Dba Bowmar Instrument Corp · NSN 6680-00-624-8523 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-624-8523 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-624-8523. Primary manufacturer part number: X1509-1.
Features
  • Counter,rotating — FSC 6680
  • Style Designator: CYLINDRICAL CASED
  • Longest Horizontal Distance Between Mounting Centers: 0.600 INCHES NOMINAL IN
  • Mounting Type for Which Designed: UNABLE TO DECODE
  • Actuating Device Location: LEFT SIDE SINGLE REGISTER SINGLE TIER
  • Longest Vertical Distance Between Mounting Centers: 0.940 INCHES NOMINAL IN
  • Shaft Diameter: 0.1247 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counter,rotating, cataloged under National Stock Number 6680-00-624-8523, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bowmar Llc Dba Bowmar Instrument Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-624-8523
Primary Part NumberX1509-1
Item NameCounter,rotating
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerBowmar Llc Dba Bowmar Instrument Corp
StatusACTIVE
Style DesignatorCYLINDRICAL CASED
Longest Horizontal Distance Between Mounting Centers0.600 INCHES NOMINAL IN
Mounting Type for Which DesignedUNABLE TO DECODE
Actuating Device LocationLEFT SIDE SINGLE REGISTER SINGLE TIER
Longest Vertical Distance Between Mounting Centers0.940 INCHES NOMINAL IN
Shaft Diameter0.1247 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Numeral Display MethodDRUM
ColorBLACK THIRD TEMP COEFFICIENT
Shaft Length0.250 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR POSITION SQUARE/RECTANGLE
Figure Quantity Per RegisterUNABLE TO DECODE
Register Quantity1
Shaft Revolutions Per CountUNABLE TO DECODE
ColorWHITE SECOND TEMP COEFFICIENT
Overall Diameter1.300 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
Figure HeightUNABLE TO DECODE
Maximum Count RateUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-089-20795238GX2 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Oshkosh Defense Llc
5136-00-227-8629 INTERCHANGEABLE
Tap,thread Cutting
5330-00-276-602111017 INTERCHANGEABLE
Packing Assembly
Komatsu America Corporation
6210-00-299-553821-1310-2900-301 INTERCHANGEABLE
Light,panel
Dialight Corporation
3020-00-351-8995 INTERCHANGEABLE
Gear,helical
5331-00-823-4909110-17 INTERCHANGEABLE
O-Ring
Robert H Wager Co Inc
5975-00-874-69501047-417D2 INTERCHANGEABLE
Rod,ground
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
6680-00-919-6110A11017 INTERCHANGEABLE
Valve
Clark-Reliance Llc Dba Jerguson Gage & Valve
5945-00-998-9199 INTERCHANGEABLE
Relay,electromagnetic
3830-01-166-6794MA207-21731 INTERCHANGEABLE
Drum,winch
Am General Llc
Cross-Reference Index
Part NumberManufacturer
L534000016 Lockheed Martin Librascope Corporation (USA)
X1509-1 PRIMARY Bowmar Llc Dba Bowmar Instrument Corp (USA)
11017 Bowmar Llc Dba Bowmar Instrument Corp (USA)
X1509 Bowmar Llc Dba Bowmar Instrument Corp (USA)
1836560 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
2990-00-089-2079INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
5238GX2
5136-00-227-8629INTERCHANGEABLE
TAP,THREAD CUTTING
5330-00-276-6021INTERCHANGEABLE
PACKING ASSEMBLY
11017
6210-00-299-5538INTERCHANGEABLE
LIGHT,PANEL
21-1310-2900-301
3020-00-351-8995INTERCHANGEABLE
GEAR,HELICAL
5331-00-823-4909INTERCHANGEABLE
O-RING
110-17
5975-00-874-6950INTERCHANGEABLE
ROD,GROUND
1047-417D2
6680-00-919-6110INTERCHANGEABLE
VALVE
A11017
5945-00-998-9199INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3830-01-166-6794INTERCHANGEABLE
DRUM,WINCH
MA207-21731
6145-01-420-5446INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
11017
5995-01-446-0655INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 6680-00-624-8523?

NSN 6680-00-624-8523 is a Counter,rotating, manufactured by Bowmar Llc Dba Bowmar Instrument Corp, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-624-8523?

NSN 6680-00-624-8523 has 5 cross-referenced part numbers: L534000016 (Lockheed Martin Librascope Corporation), X1509-1 (Bowmar Llc Dba Bowmar Instrument Corp), 11017 (Bowmar Llc Dba Bowmar Instrument Corp), X1509 (Bowmar Llc Dba Bowmar Instrument Corp), 1836560 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 6680-00-624-8523?

There are 12 known substitutes for 6680-00-624-8523: 2990-00-089-2079, 5136-00-227-8629, 5330-00-276-6021 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X1509-1?

Key specifications for X1509-1: Style Designator: CYLINDRICAL CASED; Longest Horizontal Distance Between Mounting Centers: 0.600 INCHES NOMINAL IN; Mounting Type for Which Designed: UNABLE TO DECODE; Special Features: NONRESETTABLE,THREE ADDITIONAL MTG HOLES ON BACK EQUALLY SPACED ON A 1.094 IN. DIA BOLT CIRCLE,ALTERNATE ACTUATING DEVICE LOCATED ON RIGHT SIDE IN. 20 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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