PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U-41310-50Bulb Replacement

Cole-Parmer Instrument Company, Llc · NSN 6640-01-485-5399 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-485-5399 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-485-5399. Primary manufacturer part number: U-41310-50.
Features
  • Bulb Replacement — FSC 6640
  • Supplementary Features: REPLACEMENT BULB FOR LABORATORY LAMP
  • 3 verified cross-references
  • Primary manufacturer: Cole-Parmer Instrument Company, Llc
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Bulb Replacement, cataloged under National Stock Number 6640-01-485-5399, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cole-Parmer Instrument Company, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-485-5399
Primary Part NumberU-41310-50
Item NameBulb Replacement
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerCole-Parmer Instrument Company, Llc
StatusACTIVE
Supplementary FeaturesREPLACEMENT BULB FOR LABORATORY LAMP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-595-62113050-0229 INTERCHANGEABLE
Washer,flat
Keysight Technologies Inc
6130-00-635-3432R051025788 INTERCHANGEABLE
Rectifier,metallic
Prestolite Electric Inc
6515-01-098-1709E6017 INTERCHANGEABLE
Electrode,electrocardiograph
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
4730-01-365-7161010250 INTERCHANGEABLE
Trap,steam
Dover Corp Groen Div
Cross-Reference Index
Part NumberManufacturer
6640NCM010244 Defense Medical Standardization Board (USA)
U-41310-50 PRIMARY Cole-Parmer Instrument Company, Llc (USA)
01-0250 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
Related Parts
5310-00-595-6211INTERCHANGEABLE
WASHER,FLAT
3050-0229
6130-00-635-3432INTERCHANGEABLE
RECTIFIER,METALLIC
R051025788
6515-01-098-1709INTERCHANGEABLE
ELECTRODE,ELECTROCARDIOGRAPH
E6017
4730-01-365-7161INTERCHANGEABLE
TRAP,STEAM
010250

Frequently Asked Questions

What is NSN 6640-01-485-5399?

NSN 6640-01-485-5399 is a Bulb Replacement, manufactured by Cole-Parmer Instrument Company, Llc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-485-5399?

NSN 6640-01-485-5399 has 3 cross-referenced part numbers: 6640NCM010244 (Defense Medical Standardization Board), U-41310-50 (Cole-Parmer Instrument Company, Llc), 01-0250 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia).

What NSN replaces 6640-01-485-5399?

There are 4 known substitutes for 6640-01-485-5399: 5310-00-595-6211, 6130-00-635-3432, 6515-01-098-1709 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U-41310-50?

Key specifications for U-41310-50: End Item Identification: FOR LABORATORY LAMP; Supplementary Features: REPLACEMENT BULB FOR LABORATORY LAMP; Special Features: HALOGEN BULB COMPATIBLE WITH LAMP MODEL U-41320-20. 50W, BI-PIN WITH 2000 HOUR BULB LIFE W; Part Name Assigned by Controlling Agency: BULB REPLACEMENT HALOGEN COMPATABLE W/LAMP MDL U-41320-20 2000HR. 4 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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