PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

410AAmmeter

Keithley Instruments, Llc · NSN 6625-00-191-9254 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-191-9254 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-191-9254. Primary manufacturer part number: 410A.
Features
  • Ammeter — FSC 6625
  • Supplementary Features: BENCH MOUNT SOLID STATE; 0 TO 0.3 PICOAMPERES; 110 OR 220VAC 50 TO 60HZ 5WATT 1 PHASE; 5.5IN H X 8.5 W X 10 D; INCLUDES INPUT & OUTPUT MATING CONNECTORS VAC
  • Supplementary Features: BENCH MOUNT SOLID STATE; 0 TO 0.3 PICOAMPERES; 110 OR 220VAC 50 TO 60HZ 5WATT 1 PHASE; 5.5IN H X 8.5 W X 10 D; INCLUDES INPUT & OUTPUT MATING CONNECTORS VAC
  • 1 verified cross-reference
  • Primary manufacturer: Keithley Instruments, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-191-9254, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keithley Instruments, Llc. Government technical data includes 2 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-191-9254
Primary Part Number410A
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeithley Instruments, Llc
StatusACTIVE
Supplementary FeaturesBENCH MOUNT SOLID STATE; 0 TO 0.3 PICOAMPERES; 110 OR 220VAC 50 TO 60HZ 5WATT 1 PHASE; 5.5IN H X 8.5 W X 10 D; INCLUDES INPUT & OUTPUT MATING CONNECTORS VAC
Supplementary FeaturesBENCH MOUNT SOLID STATE; 0 TO 0.3 PICOAMPERES; 110 OR 220VAC 50 TO 60HZ 5WATT 1 PHASE; 5.5IN H X 8.5 W X 10 D; INCLUDES INPUT & OUTPUT MATING CONNECTORS VAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeU
SMR CodeLU
Verified Substitutes 5
3110-00-155-67460042971 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
4730-00-394-2718410A INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
5120-00-555-9556210A INTERCHANGEABLE
Flaring Tool,tube,hand
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5985-01-245-4265410A INTERCHANGEABLE
Coupler,antenna
M/a-Com Government Products Inc
4030-01-557-7594410-A INTERCHANGEABLE
Hook,hoist
Lifesaving Systems Llc
Cross-Reference Index
Part NumberManufacturer
410A Keithley Instruments, Llc (USA)
Related Parts
3110-00-155-6746INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042971
4730-00-394-2718INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
410A
5120-00-555-9556INTERCHANGEABLE
FLARING TOOL,TUBE,HAND
210A
5985-01-245-4265INTERCHANGEABLE
COUPLER,ANTENNA
410A
4030-01-557-7594INTERCHANGEABLE
HOOK,HOIST
410-A

Frequently Asked Questions

What is NSN 6625-00-191-9254?

NSN 6625-00-191-9254 is a Ammeter, manufactured by Keithley Instruments, Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-191-9254?

NSN 6625-00-191-9254 has 1 cross-referenced part number: 410A (Keithley Instruments, Llc).

What NSN replaces 6625-00-191-9254?

There are 5 known substitutes for 6625-00-191-9254: 3110-00-155-6746, 4730-00-394-2718, 5120-00-555-9556 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 410A?

Key specifications for 410A: Supplementary Features: BENCH MOUNT SOLID STATE; 0 TO 0.3 PICOAMPERES; 110 OR 220VAC 50 TO 60HZ 5WATT 1 PHASE; 5.5IN H X 8.5 W X 10 D; INCLUDES INPUT & OUTPUT MATING CONNECTORS VAC; Supplementary Features: BENCH MOUNT SOLID STATE; 0 TO 0.3 PICOAMPERES; 110 OR 220VAC 50 TO 60HZ 5WATT 1 PHASE; 5.5IN H X 8.5 W X 10 D; INCLUDES INPUT & OUTPUT MATING CONNECTORS VAC. 2 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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