PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S6-LTachometer,mechanical,fixed Moun

Schulze Mfg., Inc. · NSN 6680-00-526-8866 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-526-8866 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-526-8866. Primary manufacturer part number: S6-L.
Features
  • Tachometer,mechanical,fixed Moun — FSC 6680
  • Pointer Quantity: 1
  • Mounting Feature Type: SURFACE
  • Dial Quantity: 1
  • Material: COPPER ALLOY CASE
  • Dial Background Color: BLACK
  • Mounting Type: PANEL
  • Pointer Movement Direction: CLOCKWISE
Applications
  • Applications requiring Copper Alloy Case construction
General Description

The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-00-526-8866, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Schulze Mfg., Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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
NSN6680-00-526-8866
Primary Part NumberS6-L
Item NameTachometer,mechanical,fixed Moun
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSchulze Mfg., Inc.
StatusACTIVE
Pointer Quantity1
Mounting Feature TypeSURFACE
Dial Quantity1
MaterialCOPPER ALLOY CASE
Dial Background ColorBLACK
Mounting TypePANEL
Pointer Movement DirectionCLOCKWISE
Case ShapeSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-031-0200202535-1 INTERCHANGEABLE
Coil,radio Frequency
Viking Technologies, Ltd.
6740-00-144-6805 INTERCHANGEABLE
Splicer,photographic Film
5330-00-154-877221161-0052 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
6240-00-250-64386S650V INTERCHANGEABLE
Lamp,incandescent
Westinghouse Electric Corp
5961-00-296-2763S6 INTERCHANGEABLE
Semiconductor Device,diode
Entron Industries Limited Partnership Dba Entron Industries Property Div
6680-00-530-0545S6A INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
Schulze Mfg., Inc.
4520-00-786-5590A2151-01J INTERCHANGEABLE
Heating Element,electrical,nonim
Vulcan Electric Co Ltd
6685-00-838-30418261-25 INTERCHANGEABLE
Gage,pressure,dial Indicating
Columbus Jack Corporation Div Columbus Jack
6645-00-841-0026 INTERCHANGEABLE
Timer,stop
6680-00-843-8822S6-10 INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
Schulze Mfg., Inc.
Cross-Reference Index
Part NumberManufacturer
S6-L PRIMARY Schulze Mfg., Inc. (USA)
S6-L Jones Instrument Corp (USA)
S6 Jones Instrument Corp (USA)
S6 Schulze Mfg., Inc. (USA)
5481 Jones Instrument Corp (USA)
Related Parts
5950-00-031-0200INTERCHANGEABLE
COIL,RADIO FREQUENCY
202535-1
6740-00-144-6805INTERCHANGEABLE
SPLICER,PHOTOGRAPHIC FILM
5330-00-154-8772INTERCHANGEABLE
SEAL,PLAIN ENCASED
21161-0052
6240-00-250-6438INTERCHANGEABLE
LAMP,INCANDESCENT
6S650V
5961-00-296-2763INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
S6
6680-00-530-0545INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
S6A
4520-00-786-5590INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
A2151-01J
6685-00-838-3041INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
8261-25
6645-00-841-0026INTERCHANGEABLE
TIMER,STOP
6680-00-843-8822INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
S6-10
5945-00-890-2432INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
24021
5330-00-908-5184INTERCHANGEABLE
PACKING SET
71167904

Frequently Asked Questions

What is NSN 6680-00-526-8866?

NSN 6680-00-526-8866 is a Tachometer,mechanical,fixed Moun, manufactured by Schulze Mfg., Inc., classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-526-8866?

NSN 6680-00-526-8866 has 5 cross-referenced part numbers: S6-L (Schulze Mfg., Inc.), S6-L (Jones Instrument Corp), S6 (Jones Instrument Corp), S6 (Schulze Mfg., Inc.), 5481 (Jones Instrument Corp).

What NSN replaces 6680-00-526-8866?

There are 12 known substitutes for 6680-00-526-8866: 5950-00-031-0200, 6740-00-144-6805, 5330-00-154-8772 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S6-L?

Key specifications for S6-L: Pointer Quantity: 1; Mounting Feature Type: SURFACE; Dial Quantity: 1; Material: COPPER ALLOY CASE. 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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