PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-1940Distilling Receiver

Pgc Scientifics Corporation · NSN 6640-00-925-6649 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-925-6649 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-925-6649. Primary manufacturer part number: 31-1940.
Features
  • Distilling Receiver — FSC 6640
  • General Characteristics Item Description: WATER DETERMINATION TYPE; GLASS,SPEC DATA,FED,DD-G541,TYPE I,CLASS 2; 10 ML,CAPACITY; SCALE DATA,0 TO 10 ML RANGE,0.1 ML GRADUATION INTERVAL FROM 0 TO 1 ML,0.2 ML GRADUATION INTERVAL FROM 1 TO 10 ML,NUMBERED GRADUATIONS,IRREGULAR AND SINGLE SCALE,SCALE NUMBERED 0 TO 1 ML,EVERY TENTH GRADUATION 1 TO 10 ML,EVERY FIFTH GRADUATION; CONNECTION DATA,CONDENSER END,GLASS JOINT CONNECTION,24/40 STD TAPER FEMALE JOINT,FLASK END,GLASS JOINT CONNECTION,24/40 STD TAPER MALE JOINT
  • 4 verified cross-references
  • Primary manufacturer: Pgc Scientifics Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Distilling Receiver, cataloged under National Stock Number 6640-00-925-6649, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Pgc Scientifics Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN6640-00-925-6649
Primary Part Number31-1940
Item NameDistilling Receiver
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerPgc Scientifics Corporation
StatusACTIVE
General Characteristics Item DescriptionWATER DETERMINATION TYPE; GLASS,SPEC DATA,FED,DD-G541,TYPE I,CLASS 2; 10 ML,CAPACITY; SCALE DATA,0 TO 10 ML RANGE,0.1 ML GRADUATION INTERVAL FROM 0 TO 1 ML,0.2 ML GRADUATION INTERVAL FROM 1 TO 10 ML,NUMBERED GRADUATIONS,IRREGULAR AND SINGLE SCALE,SCALE NUMBERED 0 TO 1 ML,EVERY TENTH GRADUATION 1 TO 10 ML,EVERY FIFTH GRADUATION; CONNECTION DATA,CONDENSER END,GLASS JOINT CONNECTION,24/40 STD TAPER FEMALE JOINT,FLASK END,GLASS JOINT CONNECTION,24/40 STD TAPER MALE JOINT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-034-8668220-12 INTERCHANGEABLE
Gasket
Illinois Tool Works Inc.
2910-00-363-740831196 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
6640-00-410-44623611-25 INTERCHANGEABLE
Distilling Receiver
Corning Glass Works
5940-00-983-6107 INTERCHANGEABLE
Terminal Board
5935-01-025-9141022012-000 INTERCHANGEABLE
Connector,receptacle,electrical
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
4730-01-164-4657P20-6340 INTERCHANGEABLE
Elbow,tube
Donaldson Company, Inc.
6760-01-170-515622012 INTERCHANGEABLE
Can,photographic Film Storage
Plastic Reel Corp of America
3020-01-171-1628 INTERCHANGEABLE
Sprocket
2920-01-193-323331-196 INTERCHANGEABLE
Switch,lock,ignition
Pollak Joseph Corp
6550-01-243-7106220/12 INTERCHANGEABLE
Fuchsin-Basic Stain
E M Science Div of E M Industries Inc
Cross-Reference Index
Part NumberManufacturer
31-1940 PRIMARY Pgc Scientifics Corporation (USA)
31-196 Lux Scientific Instruments Inc (USA)
22012 Owens-Illinois Inc Laboratory Sales Kimble Div (USA)
E123STYLEA American Society for Testing and Materials Dba Astm International (USA)
Related Parts
5330-00-034-8668INTERCHANGEABLE
GASKET
220-12
2910-00-363-7408INTERCHANGEABLE
FILTER ELEMENT,FLUID
31196
6640-00-410-4462INTERCHANGEABLE
DISTILLING RECEIVER
3611-25
5940-00-983-6107INTERCHANGEABLE
TERMINAL BOARD
5935-01-025-9141INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
022012-000
4730-01-164-4657INTERCHANGEABLE
ELBOW,TUBE
P20-6340
6760-01-170-5156INTERCHANGEABLE
CAN,PHOTOGRAPHIC FILM STORAGE
22012
3020-01-171-1628INTERCHANGEABLE
SPROCKET
2920-01-193-3233INTERCHANGEABLE
SWITCH,LOCK,IGNITION
31-196
6550-01-243-7106INTERCHANGEABLE
FUCHSIN-BASIC STAIN
220/12
5940-01-421-6922INTERCHANGEABLE
TERMINAL BOX
300634AE
5120-01-434-9827INTERCHANGEABLE
PUNCH,DRIFT
22012

Frequently Asked Questions

What is NSN 6640-00-925-6649?

NSN 6640-00-925-6649 is a Distilling Receiver, manufactured by Pgc Scientifics Corporation, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-925-6649?

NSN 6640-00-925-6649 has 4 cross-referenced part numbers: 31-1940 (Pgc Scientifics Corporation), 31-196 (Lux Scientific Instruments Inc), 22012 (Owens-Illinois Inc Laboratory Sales Kimble Div), E123STYLEA (American Society for Testing and Materials Dba Astm International).

What NSN replaces 6640-00-925-6649?

There are 12 known substitutes for 6640-00-925-6649: 5330-00-034-8668, 2910-00-363-7408, 6640-00-410-4462 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-1940?

Key specifications for 31-1940: General Characteristics Item Description: WATER DETERMINATION TYPE; GLASS,SPEC DATA,FED,DD-G541,TYPE I,CLASS 2; 10 ML,CAPACITY; SCALE DATA,0 TO 10 ML RANGE,0.1 ML GRADUATION INTERVAL FROM 0 TO 1 ML,0.2 ML GRADUATION INTERVAL FROM 1 TO 10 ML,NUMBERED GRADUATIONS,IRREGULAR AND SINGLE SCALE,SCALE NUMBERED 0 TO 1 ML,EVERY TENTH GRADUATION 1 TO 10 ML,EVERY FIFTH GRADUATION; CONNECTION DATA,CONDENSER END,GLASS JOINT CONNECTION,24/40 STD TAPER FEMALE JOINT,FLASK END,GLASS JOINT CONNECTION,24/40 STD TAPER MALE JOINT. 1 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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