PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21164Wattmeter

Hamilton Sundstrand Corporation · NSN 6625-01-145-0266 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-145-0266 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-145-0266. Primary manufacturer part number: 21164.
Features
  • Wattmeter — FSC 6625
  • Installation Design: PANEL
  • Style Designator: RECTANGULAR FLUSH MTG
  • Meter Depth Behind Mounting Flange: 5.312 INCHES NOMINAL IN
  • Meter Body Diameter Behind Mounting Flange: 4.109 INCHES NOMINAL IN
  • Installation Design: PANEL
  • Style Designator: RECTANGULAR FLUSH MTG
  • Meter Depth Behind Mounting Flange: 5.312 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Wattmeter, cataloged under National Stock Number 6625-01-145-0266, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-145-0266
Primary Part Number21164
Item NameWattmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Installation DesignPANEL
Style DesignatorRECTANGULAR FLUSH MTG
Meter Depth Behind Mounting Flange5.312 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange4.109 INCHES NOMINAL IN
Installation DesignPANEL
Style DesignatorRECTANGULAR FLUSH MTG
Meter Depth Behind Mounting Flange5.312 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange4.109 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeY
Verified Substitutes 6
Electronic Components Assembly
4730-00-289-5912S9400-921906PC4 INTERCHANGEABLE
Clamp,hose
Naval Ship Systems Command
5930-00-352-7041L91A1052 INTERCHANGEABLE
Switch,pressure
Honeywell Inc Residential Div
5330-00-603-232021164 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5340-00-774-7455 INTERCHANGEABLE
Cover,access
5935-01-431-8690JRDF-00008 INTERCHANGEABLE
Connector,receptacle,electrical
Giga-Tronics Incorporated Dba Giga-Tronics
Cross-Reference Index
Part NumberManufacturer
21164 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
5998-00-564-0271SUCCESSOR
ELECTRONIC COMPONENTS ASSEMBLY
4730-00-289-5912INTERCHANGEABLE
CLAMP,HOSE
S9400-921906PC4
5930-00-352-7041INTERCHANGEABLE
SWITCH,PRESSURE
L91A1052
5330-00-603-2320INTERCHANGEABLE
SEAL,PLAIN ENCASED
21164
5340-00-774-7455INTERCHANGEABLE
COVER,ACCESS
5935-01-431-8690INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
JRDF-00008

Frequently Asked Questions

What is NSN 6625-01-145-0266?

NSN 6625-01-145-0266 is a Wattmeter, manufactured by Hamilton Sundstrand Corporation, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-145-0266?

NSN 6625-01-145-0266 has 1 cross-referenced part number: 21164 (Hamilton Sundstrand Corporation).

What NSN replaces 6625-01-145-0266?

There are 6 known substitutes for 6625-01-145-0266: 5998-00-564-0271, 4730-00-289-5912, 5930-00-352-7041 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21164?

Key specifications for 21164: Overall Height: 4.328 INCHES NOMINAL IN; Installation Design: PANEL; Style Designator: RECTANGULAR FLUSH MTG; Meter Depth Behind Mounting Flange: 5.312 INCHES NOMINAL IN. 12 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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