NSN 6640-00-359-9647 · NIIN 003599647 · Part number 61820
Precision Scientific Petroleum Instruments Co · FSC 6640 — Laboratory Equipment and Supplies · FSG 66 — Instruments and Laboratory Equipment · CAGE 48619
Government record, cited
NSN 6640-00-359-9647 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-359-9647. Manufacturer of record part number: 61820.
Also searched as6640-00-359-9647 ·
6640003599647 ·
NIIN 003599647 ·
00-359-9647 ·
FSC 6640 Laboratory Equipment and Supplies · CAGE 48619 · 61820
Manufacturer: Precision Scientific Petroleum Instruments Co
General Description
The Shield,heat,distilling Flask, cataloged under National Stock Number 6640-00-359-9647, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Precision Scientific Petroleum Instruments Co. Government technical data includes 6 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6640-00-359-9647
Primary Part Number
61820
Item Name
Shield,heat,distilling Flask
FSC / FSG
6640 / 66 — Laboratory Equipment and Supplies
Manufacturer
Precision Scientific Petroleum Instruments Co
Status
ACTIVE
Top Diameter
3.375 INCHES NOMINAL IN
Overall Thickness
1.250 INCHES NOMINAL IN
Bevel Recess
PROVIDED
Center Hole Diameter
3.125 INCHES NOMINAL IN
Depth
0.250 INCHES NOMINAL IN
Material
PORCELAIN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3130-01-089-219761820POSSIBLE MATCH
HOUSING,BEARING UNIT
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
5961-01-276-24551854-1017POSSIBLE MATCH
TRANSISTOR
Possible match (shared part number)Keysight Technologies Inc
1005-01-464-152561820POSSIBLE MATCH
RETAINER,HAMMER PIN
Possible match (shared part number)Colt's Manufacturing Company, Llc
Precision Scientific Petroleum Instruments Co (USA)
Related Parts
3130-01-089-2197POSSIBLE MATCH
HOUSING,BEARING UNIT
61820
5961-01-276-2455POSSIBLE MATCH
TRANSISTOR
1854-1017
1005-01-464-1525POSSIBLE MATCH
RETAINER,HAMMER PIN
61820
3110-01-524-9552POSSIBLE MATCH
BEARING,BALL,ANNULAR
61820
Frequently Asked Questions
What is NSN 6640-00-359-9647?
NSN 6640-00-359-9647 is a Shield,heat,distilling Flask, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
What part numbers are listed for NSN 6640-00-359-9647?
NSN 6640-00-359-9647 has 1 manufacturer part number on file: 61820 (Precision Scientific Petroleum Instruments Co).
What NSN replaces 6640-00-359-9647?
4 possible matches (shared part number, not a government interchangeability claim): 3130-01-089-2197, 5961-01-276-2455, 1005-01-464-1525. Verify interchangeability with system specifications before substitution.
What are the specifications of 61820?
Key specifications for 61820: Top Diameter: 3.375 INCHES NOMINAL IN; Overall Thickness: 1.250 INCHES NOMINAL IN; Overall Length: 4.750 INCHES NOMINAL IN; Overall Width: 4.750 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 6640-00-359-9647 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.