PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85-6408Ammeter

Bogen Communications Inc · NSN 6625-00-683-9721 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-683-9721 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-683-9721. Primary manufacturer part number: 85-6408.
Features
  • Ammeter — FSC 6625
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Circuit Current for Which Designed: DC
  • Style Designator: RECTANGULAR FLUSH MTG
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Scale Division Quantity: 25 SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-683-9721, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bogen Communications Inc. Government technical data includes 26 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-683-9721
Primary Part Number85-6408
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBogen Communications Inc
StatusACTIVE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Style DesignatorRECTANGULAR FLUSH MTG
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
ColorUNABLE TO DECODE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Sensitivity Rating25.0 MILLIVOLTS
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Body Diameter Behind Mounting Flange1.490 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL IN
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Circuit Construction TypeNONELECTRONIC
Measurement Range+0.0 TO 250.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Features ProvidedELECTROSTATIC SHIELD AND MAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Attachment Method and Quantity2 SOLDER LUG
FSC Application DataTEST SET,ELECT. EQUIP.
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL IN
Installation DesignPANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeYF
Weight2.0000 lbs
Cube0.0156 cu ft
Verified Substitutes 12
5999-00-677-983911066463-001 SUCCESSOR
Clip,electrical
Us Army Aviation and Missile Command
6625-00-102-964110163371 INTERCHANGEABLE
Meter,null
Us Army Aviation and Missile Command
6625-00-504-08901801260 INTERCHANGEABLE
Meter,arbitrary Scale
Northrop Grumman Systems Corporation
6625-00-508-143290-2009 INTERCHANGEABLE
Meter,arbitrary Scale
Crane Electronics, Inc.
3110-00-580-9301CYRB252 INTERCHANGEABLE
Bearing,ball,annular
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
6625-00-649-3274 INTERCHANGEABLE
Ammeter
6625-00-651-5332KT221178 INTERCHANGEABLE
Ammeter
Kearfott Corporation Div Guidance and Navigation Division
6625-00-704-6580557823-1 INTERCHANGEABLE
Ammeter
Raytheon Company
6625-00-809-9943 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-988-1693C088103-001 INTERCHANGEABLE
Meter,arbitrary Scale
Gyrodyne Co of America Inc
Cross-Reference Index
Part NumberManufacturer
85-6408 Bogen Communications Inc (USA)
HS100A Jewell Instruments Llc (USA)
HS1 Jewell Instruments Llc (USA)
LB516-5166 Lewyt Corp
Related Parts
5999-00-677-9839SUCCESSOR
CLIP,ELECTRICAL
11066463-001
6625-00-102-9641INTERCHANGEABLE
METER,NULL
10163371
6625-00-504-0890INTERCHANGEABLE
METER,ARBITRARY SCALE
1801260
6625-00-508-1432INTERCHANGEABLE
METER,ARBITRARY SCALE
90-2009
3110-00-580-9301INTERCHANGEABLE
BEARING,BALL,ANNULAR
CYRB252
6625-00-649-3274INTERCHANGEABLE
AMMETER
6625-00-651-5332INTERCHANGEABLE
AMMETER
KT221178
6625-00-704-6580INTERCHANGEABLE
AMMETER
557823-1
6625-00-809-9943INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-988-1693INTERCHANGEABLE
METER,ARBITRARY SCALE
C088103-001
6625-01-041-3197INTERCHANGEABLE
METER,ARBITRARY SCALE
SM-C-867200
5970-01-052-6282INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
HSPXP0150

Frequently Asked Questions

What is NSN 6625-00-683-9721?

NSN 6625-00-683-9721 is a Ammeter, manufactured by Bogen Communications Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-683-9721?

NSN 6625-00-683-9721 has 4 cross-referenced part numbers: 85-6408 (Bogen Communications Inc), HS100A (Jewell Instruments Llc), HS1 (Jewell Instruments Llc), LB516-5166 (Lewyt Corp).

What NSN replaces 6625-00-683-9721?

There are 12 known substitutes for 6625-00-683-9721: 5999-00-677-9839, 6625-00-102-9641, 6625-00-504-0890 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 85-6408?

Key specifications for 85-6408: Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Circuit Current for Which Designed: DC; Style Designator: RECTANGULAR FLUSH MTG; Overall Length: 0.965 INCHES NOMINAL IN. 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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