PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-H-36343Hydrometer,graduated Scale

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6630-00-265-7759 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-00-265-7759 — this item is cataloged by the U.S. Government under National Stock Number 6630-00-265-7759. Primary manufacturer part number: MIL-H-36343.
Features
  • Hydrometer,graduated Scale — FSC 6630
  • Specimen Receptacle Holder: NOT INCLUDED
  • Overall Diameter: 12.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM
  • Temp Range: +20.0 TO 130.0 DEG FAHRENHEIT
  • Thermometer: INCLUDED
  • Correction Scale: NOT INCLUDED
  • Scale Accuracy Rating: 0.200 DEGREES
  • Conversion Chart: NOT INCLUDED
Applications
  • Applications requiring Glass Plummet construction
General Description

The Hydrometer,graduated Scale, cataloged under National Stock Number 6630-00-265-7759, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6630-00-265-7759
Primary Part NumberMIL-H-36343
Item NameHydrometer,graduated Scale
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Specimen Receptacle HolderNOT INCLUDED
Overall Diameter12.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM
Temp Range+20.0 TO 130.0 DEG FAHRENHEIT
ThermometerINCLUDED
Correction ScaleNOT INCLUDED
Scale Accuracy Rating0.200 DEGREES
Conversion ChartNOT INCLUDED
Scale Calibration Temp60.0 FAHRENHEIT DEGF
Scale Smallest Increment0.2 DEGREES
Scale Range+39.0 TO 51.0 DEGREES
Scale NameAPI
Scale Quantity1
Nondefinitive Spec/std DataII TYPE AND 2 CLASS AND 5 STYLE
MaterialGLASS PLUMMET
MaterialGLASS STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6630-00-242-9257E100-53HM INTERCHANGEABLE
Hydrometer,graduated Scale
American Society for Testing and Materials Dba Astm International
6630-00-242-9258E100-54H INTERCHANGEABLE
Hydrometer,graduated Scale
American Society for Testing and Materials Dba Astm International
6630-00-245-8374D20616-07 INTERCHANGEABLE
Hydrometer,graduated Scale
La Pine Scientific Company
6630-00-245-8375F10058HL INTERCHANGEABLE
Hydrometer,graduated Scale
American Society for Testing and Materials Dba Astm International
6630-00-245-8376E100-55HL INTERCHANGEABLE
Hydrometer,graduated Scale
American Society for Testing and Materials Dba Astm International
6630-00-245-8377E100-56HL INTERCHANGEABLE
Hydrometer,graduated Scale
American Society for Testing and Materials Dba Astm International
6630-00-245-8378HX13005A INTERCHANGEABLE
Hydrometer,graduated Scale
A. Daigger and Company, Incorporated Dba Eta Hand2mind
6630-00-245-837948-3240 INTERCHANGEABLE
Hydrometer,graduated Scale
J & H Berge, Inc. Dba Lab Mart, the Div the Labmart
6630-00-265-76106608-2TS INTERCHANGEABLE
Hydrometer,graduated Scale
Nova-Tech International, Inc
6630-00-265-7758 INTERCHANGEABLE
Hydrometer,graduated Scale
Cross-Reference Index
Part NumberManufacturer
MIL-H-36343 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S-42345D Sargent-Welch Scientific Co (USA)
48-538 Manostat Corp (USA)
Related Parts
6630-00-242-9257INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
E100-53HM
6630-00-242-9258INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
E100-54H
6630-00-245-8374INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
D20616-07
6630-00-245-8375INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
F10058HL
6630-00-245-8376INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
E100-55HL
6630-00-245-8377INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
E100-56HL
6630-00-245-8378INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
HX13005A
6630-00-245-8379INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
48-3240
6630-00-265-7610INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
6608-2TS
6630-00-265-7758INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
6630-00-265-7764INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
1846
6630-00-265-7765INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
6630-00-265-7765

Frequently Asked Questions

What is NSN 6630-00-265-7759?

NSN 6630-00-265-7759 is a Hydrometer,graduated Scale, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6630 (No Item Name Available). Status: active.

What are the part numbers for NSN 6630-00-265-7759?

NSN 6630-00-265-7759 has 3 cross-referenced part numbers: MIL-H-36343 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S-42345D (Sargent-Welch Scientific Co), 48-538 (Manostat Corp).

What NSN replaces 6630-00-265-7759?

There are 12 known substitutes for 6630-00-265-7759: 6630-00-242-9257, 6630-00-242-9258, 6630-00-245-8374 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-H-36343?

Key specifications for MIL-H-36343: Specimen Receptacle Holder: NOT INCLUDED; Overall Diameter: 12.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM; Temp Range: +20.0 TO 130.0 DEG FAHRENHEIT; Thermometer: INCLUDED. 16 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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