PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87170Ammeter

Numax Electronics Inc · NSN 6625-00-138-5846 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-138-5846 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-138-5846. Primary manufacturer part number: 87170.
Features
  • Ammeter — FSC 6625
  • Measurement Range: +0.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Pointer Color: RED SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Mounting Stud Diameter: 0.112 INCHES NOMINAL IN
  • Mounting Arrangement Style: TWO HOLE/STUD
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Body Width Behind Mounting Flange: 2.344 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-138-5846, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Numax Electronics Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-138-5846
Primary Part Number87170
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNumax Electronics Inc
StatusACTIVE
Measurement Range+0.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Pointer ColorRED SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Mounting Arrangement StyleTWO HOLE/STUD
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Width Behind Mounting Flange2.344 INCHES NOMINAL IN
Movement TypeMOVING MAGNET
Style DesignatorRECTANGULAR SURFACE MTG
Distance Between Mounting Facility Centers2.680 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Special MarkingsBLACK POINTER
FSC Application DataELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Power SourceEXTERNAL
Mounting Facility Type and Quantity2 THREADED STUD(S)
Indicator TypeDIAL W/POINTER
MaterialSTEEL
Circuit Construction TypeNONELECTRONIC
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Dielectric Withstanding Voltage in Volts1500.0
Mounting Stud Length0.500 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Installation DesignPANEL
Reliability IndicatorNOT ESTABLISHED
Circuit Current for Which DesignedDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 11
3110-00-100-0223377 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-100-060055437 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5133-00-189-9282 INTERCHANGEABLE
Drill,twist
3120-00-575-6800CB27110-001 INTERCHANGEABLE
Bushing,sleeve
Moog Inc. Dba Ampac-Isp Corp
6625-00-785-62535120442 INTERCHANGEABLE
Ammeter
Rolls-Royce Solutions America Inc
4130-01-037-531287-17-0 INTERCHANGEABLE
Operator,damper
Johnson Controls, Inc Div Building Efficiency
5331-01-289-3126 INTERCHANGEABLE
O-Ring
4710-01-396-513918037 INTERCHANGEABLE
Tube Assembly,metal
Westerbeke Corporation
7710-01-528-966218037 INTERCHANGEABLE
Trumpet
Selmer Co the
5315-01-581-484318KP592 INTERCHANGEABLE
Pin,straight,headed
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
87170 Numax Electronics Inc (USA)
18037 Simpson Electric Company, Inc. (USA)
1622 Simpson Electric Company, Inc. (USA)
1622-18037 Simpson Electric Company, Inc. (USA)
Related Parts
3110-00-100-0223INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
377
3110-00-100-0600INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
55437
5133-00-189-9282INTERCHANGEABLE
DRILL,TWIST
3120-00-575-6800INTERCHANGEABLE
BUSHING,SLEEVE
CB27110-001
6625-00-785-6253INTERCHANGEABLE
AMMETER
5120442
4130-01-037-5312INTERCHANGEABLE
OPERATOR,DAMPER
87-17-0
5331-01-289-3126INTERCHANGEABLE
O-RING
4710-01-396-5139INTERCHANGEABLE
TUBE ASSEMBLY,METAL
18037
7710-01-528-9662INTERCHANGEABLE
TRUMPET
18037
5315-01-581-4843INTERCHANGEABLE
PIN,STRAIGHT,HEADED
18KP592
5120-01-661-5813INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
87170

Frequently Asked Questions

What is NSN 6625-00-138-5846?

NSN 6625-00-138-5846 is a Ammeter, manufactured by Numax Electronics Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-138-5846?

NSN 6625-00-138-5846 has 4 cross-referenced part numbers: 87170 (Numax Electronics Inc), 18037 (Simpson Electric Company, Inc.), 1622 (Simpson Electric Company, Inc.), 1622-18037 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-138-5846?

There are 11 known substitutes for 6625-00-138-5846: 3110-00-100-0223, 3110-00-100-0600, 5133-00-189-9282 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 87170?

Key specifications for 87170: Measurement Range: +0.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE; Pointer Color: RED SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 THREADED STUD; Mounting Stud Diameter: 0.112 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.
PartsTable Design LLC · partstable.com