PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PM-M1Meter,special Scale

Marine Electric Systems Inc · NSN 6625-01-320-0085 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-320-0085 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-320-0085. Primary manufacturer part number: PM-M1.
Features
  • Meter,special Scale — FSC 6625
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Stud Diameter: 0.138 INCHES NOMINAL IN
  • Unable to Decode: UNABLE TO DECODE
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Environmental Protection: DUSTPROOF AND SHOCK RESISTANT AND WATERPROOF
  • Meter Body Diameter Behind Mounting Flange: 3.500 INCHES NOMINAL IN
  • Accuracy in Percent: -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic Phenolic construction
General Description

The Meter,special Scale, cataloged under National Stock Number 6625-01-320-0085, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Marine Electric Systems Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-320-0085
Primary Part NumberPM-M1
Item NameMeter,special Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMarine Electric Systems Inc
StatusACTIVE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Unable to DecodeUNABLE TO DECODE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Environmental ProtectionDUSTPROOF AND SHOCK RESISTANT AND WATERPROOF
Meter Body Diameter Behind Mounting Flange3.500 INCHES NOMINAL IN
Accuracy in Percent-1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Mounting Stud Length0.625 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.500 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityNUT 8; WASHER 8
Indicator TypeDIAL W/POINTER
ColorUNABLE TO DECODE
Style DesignatorRECTANGULAR FLUSH MTG
MaterialPLASTIC PHENOLIC
Nuclear Hardness Critical FeatureNONHARDENED
FSC Application DataELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Center to Center Distance Between Mounting Facilities Parallel to Width3.125 INCHES NOMINAL IN
Circuit Attachment Method and Quantity4 THREADED STUD
Circuit Current for Which DesignedAC
Installation DesignPANEL
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 7
Multimeter
6240-00-155-868349 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6625-00-580-5071490-504(MODEL S49-59) INTERCHANGEABLE
Meter,electrical Frequency
Hickok Waekon Llc
5340-00-688-011010015859-006 INTERCHANGEABLE
Plunger,quick Release
Us Army Aviation and Missile Command
5360-01-017-4607S49 INTERCHANGEABLE
Spring,helical,compression
Baumbach E a Mfg Co
5120-01-026-4698S-49 INTERCHANGEABLE
Screwdriver,flat Tip
Ampco Partners, Ltd. Dba Ampco Safety Tools
5998-01-221-8609PMM-1 INTERCHANGEABLE
Electronic Components Assembly
Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.
Cross-Reference Index
Part NumberManufacturer
S-49 Hickok Waekon Llc (USA)
PM-M1 PRIMARY Marine Electric Systems Inc (USA)
Related Parts
6625-01-457-5120SUCCESSOR
MULTIMETER
6240-00-155-8683INTERCHANGEABLE
LAMP,INCANDESCENT
49
6625-00-580-5071INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
490-504(MODEL S49-59)
5340-00-688-0110INTERCHANGEABLE
PLUNGER,QUICK RELEASE
10015859-006
5360-01-017-4607INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S49
5120-01-026-4698INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
S-49
5998-01-221-8609INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
PMM-1

Frequently Asked Questions

What is NSN 6625-01-320-0085?

NSN 6625-01-320-0085 is a Meter,special Scale, manufactured by Marine Electric Systems Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-320-0085?

NSN 6625-01-320-0085 has 2 cross-referenced part numbers: S-49 (Hickok Waekon Llc), PM-M1 (Marine Electric Systems Inc).

What NSN replaces 6625-01-320-0085?

There are 7 known substitutes for 6625-01-320-0085: 6625-01-457-5120, 6240-00-155-8683, 6625-00-580-5071 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PM-M1?

Key specifications for PM-M1: Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Stud Diameter: 0.138 INCHES NOMINAL IN; Unable to Decode: UNABLE TO DECODE; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE. 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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