PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1600-1Tachometer,mechanical,handheld

Schulze Mfg., Inc. · NSN 6680-01-069-0428 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-069-0428 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-069-0428. Primary manufacturer part number: 1600-1.
Features
  • Tachometer,mechanical,handheld — FSC 6680
  • Carrying Case: PROVIDED
  • Measurement Unit: REVOLUTIONS PER MINUTE
  • Scale Quantity: 1
  • Scale Smallest Increment: 2.0 REVOLUTIONS PER MINUTE
  • Pointer Quantity: 1
  • Operating Range: +50.0 TO 500.0 REVOLUTIONS PER MINUTE
  • Scale Measurement Range: +50.0 TO 500.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tachometer,mechanical,handheld, cataloged under National Stock Number 6680-01-069-0428, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-069-0428
Primary Part Number1600-1
Item NameTachometer,mechanical,handheld
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSchulze Mfg., Inc.
StatusACTIVE
Carrying CasePROVIDED
Measurement UnitREVOLUTIONS PER MINUTE
Scale Quantity1
Scale Smallest Increment2.0 REVOLUTIONS PER MINUTE
Pointer Quantity1
Operating Range+50.0 TO 500.0 REVOLUTIONS PER MINUTE
Scale Measurement Range+50.0 TO 500.0
Scale Measurement UnitREVOLUTIONS PER MINUTE
Accessory Components and Quantity1 TRIANGULAR STEEL TIP,1 CONVEX RUBBER TIP,1 CONCAVE RUBBER TIP,1 FOUR IN. EXTENSION SHAFT,1 SMALL CONVEX RUBBER TIP,1 ONE-HALF FT CIRCUMFERENCE MEASURING WHEEL,1 CARRYING CASE
Nondefinitive Spec/std Data1C/BPB TYPE
Manual ResetNOT PROVIDED
Unit TypeCENTRIFUGAL
Speed SelectorNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6680-00-234-9245 INTERCHANGEABLE
Tachometer,mechanical,handheld
6680-00-242-43644401-H INTERCHANGEABLE
Tachometer,mechanical,handheld
Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
6680-00-276-7532312 INTERCHANGEABLE
Tachometer,mechanical,handheld
Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
6680-00-557-5328 INTERCHANGEABLE
Generator,tachometer
6320-00-893-2857 INTERCHANGEABLE
Indicator,ship's Engine Order
6680-00-921-1039 INTERCHANGEABLE
Tachometer,mechanical,handheld
6680-01-069-1825 INTERCHANGEABLE
Tachometer,mechanical,handheld
Cross-Reference Index
Part NumberManufacturer
1600-1 Schulze Mfg., Inc. (USA)
MIL-T-16049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1600-1 Jones Instrument Corp (USA)
IC-BPB-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6680-00-234-9245INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
6680-00-242-4364INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
4401-H
6680-00-276-7532INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
312
6680-00-557-5328INTERCHANGEABLE
GENERATOR,TACHOMETER
6320-00-893-2857INTERCHANGEABLE
INDICATOR,SHIP'S ENGINE ORDER
6680-00-921-1039INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
6680-01-069-1825INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD

Frequently Asked Questions

What is NSN 6680-01-069-0428?

NSN 6680-01-069-0428 is a Tachometer,mechanical,handheld, manufactured by Schulze Mfg., Inc., classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-069-0428?

NSN 6680-01-069-0428 has 4 cross-referenced part numbers: 1600-1 (Schulze Mfg., Inc.), MIL-T-16049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1600-1 (Jones Instrument Corp), IC-BPB-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6680-01-069-0428?

There are 7 known substitutes for 6680-01-069-0428: 6680-00-234-9245, 6680-00-242-4364, 6680-00-276-7532 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1600-1?

Key specifications for 1600-1: Carrying Case: PROVIDED; Measurement Unit: REVOLUTIONS PER MINUTE; Scale Quantity: 1; Scale Smallest Increment: 2.0 REVOLUTIONS PER MINUTE. 14 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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