PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A67864-501Ammeter

The Boeing Company · NSN 6625-00-059-4405 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-059-4405 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-059-4405. Primary manufacturer part number: 1A67864-501.
Features
  • Ammeter — FSC 6625
  • Circuit Construction Type: NONELECTRONIC
  • Circuit Attachment Method and Quantity: 2 SOLDER STUD
  • Mounting Facility Type and Quantity: 1 BRACKET(S) AND 2 THREADED STUD(S)
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Meter Barrel Depth: 1.750 INCHES NOMINAL IN
  • Measurement Range: +0.0 TO 5.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Meter Body Height Behind Mounting Flange: 1.21875 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-059-4405, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is The Boeing Company. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-059-4405
Primary Part Number1A67864-501
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
Circuit Construction TypeNONELECTRONIC
Circuit Attachment Method and Quantity2 SOLDER STUD
Mounting Facility Type and Quantity1 BRACKET(S) AND 2 THREADED STUD(S)
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Meter Barrel Depth1.750 INCHES NOMINAL IN
Measurement Range+0.0 TO 5.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Meter Body Height Behind Mounting Flange1.21875 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Scale Selection MethodTERMINAL
Power SourceEXTERNAL
Movement TypeMOVING COIL, PERMANENT MAGNET
Nuclear Hardness Critical FeatureNONHARDENED
MaterialPLASTIC
Indicator TypeDIAL W/POINTER
Circuit Current for Which DesignedDC
Style DesignatorRECTANGULAR FLUSH MTG BARREL, DOWN
Mounting Stud Diameter0.125 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Sensitivity Rating78.0 MILLIVOLTS
Environmental ProtectionDUSTPROOF
FSC Application DataTEST SET,ELECT. EQUIP.
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange3.000 INCHES NOMINAL IN
Meter Body Width Behind Mounting Flange2.500 INCHES NOMINAL IN
Panel for Which DesignedMAGNETIC
Mounting Stud Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 1
6625-00-443-6414104095-020 INTERCHANGEABLE
Ammeter
L3harris Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
1522C Simpson Electric Company, Inc. (USA)
Q2427 Quality Electric Co (USA)
1A67864-501 PRIMARY The Boeing Company (USA)
Related Parts
6625-00-443-6414INTERCHANGEABLE
AMMETER
104095-020

Frequently Asked Questions

What is NSN 6625-00-059-4405?

NSN 6625-00-059-4405 is a Ammeter, manufactured by The Boeing Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-059-4405?

NSN 6625-00-059-4405 has 3 cross-referenced part numbers: 1522C (Simpson Electric Company, Inc.), Q2427 (Quality Electric Co), 1A67864-501 (The Boeing Company).

What NSN replaces 6625-00-059-4405?

There is 1 known substitute for 6625-00-059-4405: 6625-00-443-6414. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A67864-501?

Key specifications for 1A67864-501: Overall Width: 3.250 INCHES NOMINAL IN; Circuit Construction Type: NONELECTRONIC; Circuit Attachment Method and Quantity: 2 SOLDER STUD; Mounting Facility Type and Quantity: 1 BRACKET(S) AND 2 THREADED STUD(S). 30 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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