PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C15Flask,dewar

Union Carbide Corp Sub of Dow Co the · NSN 6640-00-886-9728 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-886-9728 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-886-9728. Primary manufacturer part number: C15.
Features
  • Flask,dewar — FSC 6640
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Union Carbide Corp Sub of Dow Co the
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flask,dewar, cataloged under National Stock Number 6640-00-886-9728, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Union Carbide Corp Sub of Dow Co the. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-886-9728
Primary Part NumberC15
Item NameFlask,dewar
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerUnion Carbide Corp Sub of Dow Co the
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-158-5065 INTERCHANGEABLE
Resistor,fixed,film
3020-00-352-6002 INTERCHANGEABLE
Gear,internal
2940-00-364-34001595540PC1595582 INTERCHANGEABLE
Filter Element,fluid
General Motors Llc Dba General Motors Llc
5999-00-396-2245C15 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
3040-00-399-2438C15 INTERCHANGEABLE
Shaft,shouldered
Butterworth, Inc.
4530-00-478-8077 INTERCHANGEABLE
Burner Assembly
2920-00-540-7539377 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
5110-00-720-131521-100 INTERCHANGEABLE
Machete,rigid Handle
Stanley Industrial Hardware Div the Stanley Works
5905-00-767-0985 INTERCHANGEABLE
Resistor,fixed,film
5310-00-826-7515 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
C15 Union Carbide Corp Sub of Dow Co the (USA)
C15 Navcom Defense Electronics, Inc. (USA)
Related Parts
5905-00-158-5065INTERCHANGEABLE
RESISTOR,FIXED,FILM
3020-00-352-6002INTERCHANGEABLE
GEAR,INTERNAL
2940-00-364-3400INTERCHANGEABLE
FILTER ELEMENT,FLUID
1595540PC1595582
5999-00-396-2245INTERCHANGEABLE
HEATER,THERMAL RELEASE
C15
3040-00-399-2438INTERCHANGEABLE
SHAFT,SHOULDERED
C15
4530-00-478-8077INTERCHANGEABLE
BURNER ASSEMBLY
2920-00-540-7539INTERCHANGEABLE
SPARK PLUG
377
5110-00-720-1315INTERCHANGEABLE
MACHETE,RIGID HANDLE
21-100
5905-00-767-0985INTERCHANGEABLE
RESISTOR,FIXED,FILM
5310-00-826-7515INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4410-01-083-2533INTERCHANGEABLE
HEATER,WATER,ELECTRIC
C-15
4940-01-120-6793INTERCHANGEABLE
FUNNEL FILLING
73577/001

Frequently Asked Questions

What is NSN 6640-00-886-9728?

NSN 6640-00-886-9728 is a Flask,dewar, manufactured by Union Carbide Corp Sub of Dow Co the, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-886-9728?

NSN 6640-00-886-9728 has 2 cross-referenced part numbers: C15 (Union Carbide Corp Sub of Dow Co the), C15 (Navcom Defense Electronics, Inc.).

What NSN replaces 6640-00-886-9728?

There are 12 known substitutes for 6640-00-886-9728: 5905-00-158-5065, 3020-00-352-6002, 2940-00-364-3400 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C15?

Key specifications for C15: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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