PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-40Meter,flow Rate Indicating

Smith Meter Inc Parts Opn · NSN 6680-01-360-0851 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-360-0851 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-360-0851. Primary manufacturer part number: T-40.
Features
  • Meter,flow Rate Indicating — FSC 6680
  • Construction: INCLOSED W/SIGHT WINDOW
  • Design Type: CASE
  • Inlet Connection Type: THREADED
  • Scale Type: DIRECT CAPACITY READING
  • 2 verified cross-references
  • Primary manufacturer: Smith Meter Inc Parts Opn
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-360-0851, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Smith Meter Inc Parts Opn. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN6680-01-360-0851
Primary Part NumberT-40
Item NameMeter,flow Rate Indicating
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSmith Meter Inc Parts Opn
StatusACTIVE
ConstructionINCLOSED W/SIGHT WINDOW
Design TypeCASE
Inlet Connection TypeTHREADED
Scale TypeDIRECT CAPACITY READING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5940-00-188-5440821 INTERCHANGEABLE
Terminal Board
Keystone Electronics Corp
4910-00-247-1372T-40 INTERCHANGEABLE
Detector,engine Bearing Oil Leak
Federal-Mogul Corp Government Sales Dept
5320-00-285-10258327759 INTERCHANGEABLE
Rivet,solid
U S Army Tank Automotive Command Amsta-Im-Mm
5120-00-473-76515344527 INTERCHANGEABLE
Wrench Box Special
U S Army Tank Automotive Command Amsta-Im-Mm
3930-00-679-4823 INTERCHANGEABLE
Tractor,wheeled,warehouse
5120-01-415-4192T40 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Stanley Industrial & Automotive Llc
5120-01-577-7994T-40 INTERCHANGEABLE
Key,socket Head Screw
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
T-40 Flow Measurement Automation (fma) Ltd (GBR)
T-40 PRIMARY Smith Meter Inc Parts Opn (USA)
Related Parts
5940-00-188-5440INTERCHANGEABLE
TERMINAL BOARD
821
4910-00-247-1372INTERCHANGEABLE
DETECTOR,ENGINE BEARING OIL LEAK
T-40
5320-00-285-1025INTERCHANGEABLE
RIVET,SOLID
8327759
5120-00-473-7651INTERCHANGEABLE
WRENCH BOX SPECIAL
5344527
3930-00-679-4823INTERCHANGEABLE
TRACTOR,WHEELED,WAREHOUSE
5120-01-415-4192INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
T40
5120-01-577-7994INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
T-40

Frequently Asked Questions

What is NSN 6680-01-360-0851?

NSN 6680-01-360-0851 is a Meter,flow Rate Indicating, manufactured by Smith Meter Inc Parts Opn, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-360-0851?

NSN 6680-01-360-0851 has 2 cross-referenced part numbers: T-40 (Flow Measurement Automation (fma) Ltd), T-40 (Smith Meter Inc Parts Opn).

What NSN replaces 6680-01-360-0851?

There are 7 known substitutes for 6680-01-360-0851: 5940-00-188-5440, 4910-00-247-1372, 5320-00-285-1025 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-40?

Key specifications for T-40: Construction: INCLOSED W/SIGHT WINDOW; Design Type: CASE; Inlet Connection Type: THREADED; Overall Length: 18.560 INCHES NOMINAL IN. 5 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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