PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6630-00-657-0018Hydrometer,graduated Scale

Thermo Instruments Inc · NSN 6630-00-657-0018 · FSC 6630 · No Item Name Available
Verified by PartsTable
Features
  • Hydrometer,graduated Scale — FSC 6630
  • Correction Scale: NOT INCLUDEDNOT INCLUDED
  • Conversion Chart: NOT INCLUDEDNOT INCLUDED
  • Scale Quantity: 11
  • Material: GLASS STEMGLASS STEM
  • Material: GLASS PLUMMETGLASS PLUMMET
  • Scale Range: +5.5 TO 7.5 POUNDS PER GALLON+5.5 TO 7.5 POUNDS PER GALLON LBS
  • Specimen Receptacle Holder: NOT INCLUDEDNOT INCLUDED
Applications
  • Applications requiring Glass Stemglass Stem construction
General Description

The Hydrometer,graduated Scale, cataloged under National Stock Number 6630-00-657-0018, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermo Instruments Inc. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6630-00-657-0018
Primary Part Number6630-00-657-0018
Item NameHydrometer,graduated Scale
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerThermo Instruments Inc
StatusACTIVE
Correction ScaleNOT INCLUDEDNOT INCLUDED
Conversion ChartNOT INCLUDEDNOT INCLUDED
Scale Quantity11
MaterialGLASS STEMGLASS STEM
MaterialGLASS PLUMMETGLASS PLUMMET
Scale Range+5.5 TO 7.5 POUNDS PER GALLON+5.5 TO 7.5 POUNDS PER GALLON LBS
Specimen Receptacle HolderNOT INCLUDEDNOT INCLUDED
Scale Calibration Temp15.56 CELSIUS15.56 CELSIUS DEGC
Scale NamePOUNDS PER GALLONPOUNDS PER GALLON
Overall Diameter0.650 INCHES NOMINAL0.650 INCHES NOMINAL IN
ThermometerNOT INCLUDEDNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-856-60651021130-1 INTERCHANGEABLE
Connector,plug,electrical
Honeywell Intl Dba Honeywell Div Business and General Aviation
5133-01-587-3641C21131 INTERCHANGEABLE
Drill Set,twist
Greenfield Industries Inc
4720-01-672-0617C21131 INTERCHANGEABLE
Hose Assembly Set,nonmetallic
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
6630-00-657-0018 PRIMARY Thermo Instruments Inc (USA)
C2113-1 Ametek Inc Div Aerospace and Defense (USA)
102113-01 Ametek Inc Div Aerospace and Defense (USA)
Related Parts
5935-00-856-6065INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1021130-1
5133-01-587-3641INTERCHANGEABLE
DRILL SET,TWIST
C21131
4720-01-672-0617INTERCHANGEABLE
HOSE ASSEMBLY SET,NONMETALLIC
C21131

Frequently Asked Questions

What is NSN 6630-00-657-0018?

NSN 6630-00-657-0018 is a Hydrometer,graduated Scale, manufactured by Thermo Instruments Inc, classified under FSC 6630 (No Item Name Available). Status: active.

What are the part numbers for NSN 6630-00-657-0018?

NSN 6630-00-657-0018 has 3 cross-referenced part numbers: 6630-00-657-0018 (Thermo Instruments Inc), C2113-1 (Ametek Inc Div Aerospace and Defense), 102113-01 (Ametek Inc Div Aerospace and Defense).

What NSN replaces 6630-00-657-0018?

There are 3 known substitutes for 6630-00-657-0018: 5935-00-856-6065, 5133-01-587-3641, 4720-01-672-0617. Verify interchangeability with system specifications before substitution.

What are the specifications of 6630-00-657-0018?

Key specifications for 6630-00-657-0018: Correction Scale: NOT INCLUDEDNOT INCLUDED; Conversion Chart: NOT INCLUDEDNOT INCLUDED; Scale Quantity: 11; Material: GLASS STEMGLASS STEM. 12 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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