PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H1027Ammeter,recording

Dowty Rfl Industries Inc · NSN 6625-00-643-3780 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-3780 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-3780. Primary manufacturer part number: H1027.
Features
  • Ammeter,recording — FSC 6625
  • Case Surface Treatment: ENAMEL
  • Material: ALUMINUM ALLOY CASE
  • Accuracy Range in Percent: -1.0 TO 1.0
  • Length: 103.000 FEET NOMINAL FT
  • Operating Frequency: 60.0 HERTZ NOMINAL
  • Current Type: DC
  • Chart Drive Method: MOTOR
Applications
  • Applications requiring Aluminum Alloy Case construction
General Description

The Ammeter,recording, cataloged under National Stock Number 6625-00-643-3780, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dowty Rfl Industries Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-643-3780
Primary Part NumberH1027
Item NameAmmeter,recording
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerDowty Rfl Industries Inc
StatusACTIVE
Case Surface TreatmentENAMEL
MaterialALUMINUM ALLOY CASE
Accuracy Range in Percent-1.0 TO 1.0
Length103.000 FEET NOMINAL FT
Operating Frequency60.0 HERTZ NOMINAL
Current TypeDC
Chart Drive MethodMOTOR
Recording Device Quantity1
Furnished ItemsPOINTER/SCALE
Operational Speed22.5 INCHES PER HOUR IN
Case ColorBLACK
Recording Device TypePEN, GLASS INK
AC Voltage Rating115.0 VOLTS NOMINAL
Width6.000 INCHES NOMINAL IN
Recording Chart TypeROLL
Mounting TypePORTABLE
Case Surface TreatmentENAMEL
MaterialALUMINUM ALLOY CASE
Accuracy Range in Percent-1.0 TO 1.0
Length103.000 FEET NOMINAL FT
Operating Frequency60.0 HERTZ NOMINAL
Current TypeDC
Chart Drive MethodMOTOR
Recording Device Quantity1
Furnished ItemsPOINTER/SCALE
Operational Speed22.5 INCHES PER HOUR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3830-00-162-6504 INTERCHANGEABLE
Plate
5895-00-308-456255172REVC INTERCHANGEABLE
Receiver Group
L3harris Technologies, Inc Div Space & Airborne Systems
3040-00-340-3723SM-B-187079 INTERCHANGEABLE
Shaft,shouldered
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-483-631655172 INTERCHANGEABLE
Nut Assy-Packing---
Hamilton Sundstrand Corporation Dba Collins Aerospace
3455-00-654-2313 INTERCHANGEABLE
Cutter,milling,end
5999-00-707-872010177H1027 INTERCHANGEABLE
Heater,thermal Release
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
3120-01-239-3591CB2026-36 INTERCHANGEABLE
Bushing,sleeve
Bunting Bearings Corp
Cross-Reference Index
Part NumberManufacturer
H1027 Dowty Rfl Industries Inc (USA)
55172 Naval Ship Systems Command (USA)
H1177 Dowty Rfl Industries Inc (USA)
Related Parts
3830-00-162-6504INTERCHANGEABLE
PLATE
5895-00-308-4562INTERCHANGEABLE
RECEIVER GROUP
55172REVC
3040-00-340-3723INTERCHANGEABLE
SHAFT,SHOULDERED
SM-B-187079
5310-00-483-6316INTERCHANGEABLE
NUT ASSY-PACKING---
55172
3455-00-654-2313INTERCHANGEABLE
CUTTER,MILLING,END
5999-00-707-8720INTERCHANGEABLE
HEATER,THERMAL RELEASE
10177H1027
3120-01-239-3591INTERCHANGEABLE
BUSHING,SLEEVE
CB2026-36

Frequently Asked Questions

What is NSN 6625-00-643-3780?

NSN 6625-00-643-3780 is a Ammeter,recording, manufactured by Dowty Rfl Industries Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-643-3780?

NSN 6625-00-643-3780 has 3 cross-referenced part numbers: H1027 (Dowty Rfl Industries Inc), 55172 (Naval Ship Systems Command), H1177 (Dowty Rfl Industries Inc).

What NSN replaces 6625-00-643-3780?

There are 7 known substitutes for 6625-00-643-3780: 3830-00-162-6504, 5895-00-308-4562, 3040-00-340-3723 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H1027?

Key specifications for H1027: Case Surface Treatment: ENAMEL; Material: ALUMINUM ALLOY CASE; Accuracy Range in Percent: -1.0 TO 1.0; Length: 103.000 FEET NOMINAL FT. 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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