PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37991Lamp Assembly,centiifuge

Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion · NSN 6640-01-525-6703 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-525-6703 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-525-6703. Primary manufacturer part number: 37991.
Features
  • Lamp Assembly,centiifuge — FSC 6640
  • 2 verified cross-references
  • Primary manufacturer: Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp Assembly,centiifuge, cataloged under National Stock Number 6640-01-525-6703, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-525-6703
Primary Part Number37991
Item NameLamp Assembly,centiifuge
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerThermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3460-01-009-611575008 INTERCHANGEABLE
Arbor,drill Chuck
Jason Incorporated Dba Osborn International a Unit of Jason
6680-01-100-766837991 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
37991 PRIMARY Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion (USA)
LL-H37-9152 Naval Medical Material Support Command Detachment (USA)
Related Parts
3460-01-009-6115INTERCHANGEABLE
ARBOR,DRILL CHUCK
75008
6680-01-100-7668INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
37991

Frequently Asked Questions

What is NSN 6640-01-525-6703?

NSN 6640-01-525-6703 is a Lamp Assembly,centiifuge, manufactured by Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-525-6703?

NSN 6640-01-525-6703 has 2 cross-referenced part numbers: 37991 (Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion), LL-H37-9152 (Naval Medical Material Support Command Detachment).

What NSN replaces 6640-01-525-6703?

There are 2 known substitutes for 6640-01-525-6703: 3460-01-009-6115, 6680-01-100-7668. Verify interchangeability with system specifications before substitution.

What are the specifications of 37991?

Key specifications for 37991: Part Name Assigned by Controlling Agency: LATCH ASSEMBLY FOR LABORATORY CENTRIFUGE MODEL HN-S; End Item Identification: FOR LABORATORY CENTRIFUGE MODEL HN-S. 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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