NSN 6640-01-658-0725 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-658-0725. Manufacturer of record part number: 129-0012.
Also searched as6640-01-658-0725 ·
6640016580725 ·
NIIN 016580725 ·
01-658-0725 ·
FSC 6640 Laboratory Equipment and Supplies · CAGE 05NW2 · 129-0012
The Flask,dewar, cataloged under National Stock Number 6640-01-658-0725, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Radiometrics Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6640-01-658-0725
Primary Part Number
129-0012
Item Name
Flask,dewar
FSC / FSG
6640 / 66 — Laboratory Equipment and Supplies
Manufacturer
Radiometrics Corporation
Status
ACTIVE
Style Designator
THREADED MOUTH
Design Designation
DEWAR
Overall Outside Diameter
15.6 INCHES NOMINAL IN
Features Provided
HANDLE
Capacity Rating
25.0 LITERS NOMINAL
Material
ALUMINUM
Primary Container Unit Quantity
1
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6640 — Laboratory Equipment and Supplies
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6640-00-001-3348
6640-00-001-3348 · Item name not on file
6640-00-001-6670
LID,ANAEROBIC CULTURE APPARATUS
6640-00-001-6868
CONTROLLER,TIME AND TEMPERATURE,
6640-00-001-6871
6640-00-001-6871 · Item name not on file
6640-00-001-8928
6640-00-001-8928 · Item name not on file
6640-00-001-9167
6640-00-001-9167 · Item name not on file
6640-00-001-9168
6640-00-001-9168 · Item name not on file
6640-00-003-4362
6640-00-003-4362 · Item name not on file
Frequently Asked Questions
What is NSN 6640-01-658-0725?
NSN 6640-01-658-0725 is a Flask,dewar, manufactured by Radiometrics Corporation, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
What part numbers are listed for NSN 6640-01-658-0725?
NSN 6640-01-658-0725 has 1 manufacturer part number on file: 129-0012 (Radiometrics Corporation).
What are the specifications of 129-0012?
Key specifications for 129-0012: Overall Height: 25.8 INCHES NOMINAL IN; Style Designator: THREADED MOUTH; Design Designation: DEWAR; Overall Outside Diameter: 15.6 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 6640-01-658-0725 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.