PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-31-72Spectrophotometer

Bausch & Lomb Inc · NSN 6650-01-047-3911 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-047-3911 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-047-3911. Primary manufacturer part number: 33-31-72.
Features
  • Spectrophotometer — FSC 6650
  • Design Designation: BAUSCH AND LOMB
  • Battery: NOT INCLUDED
  • Wavelength Range: +340.0 TO 950.0 MILLIMICRONS
  • Quartz Prism: NOT INCLUDED
  • Trickle Charger: NOT INCLUDED
  • Scale Type: FIXED
  • Slit Adjustability: NONADJUSTABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spectrophotometer, cataloged under National Stock Number 6650-01-047-3911, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bausch & Lomb Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6650-01-047-3911
Primary Part Number33-31-72
Item NameSpectrophotometer
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerBausch & Lomb Inc
StatusCANCELLED
Design DesignationBAUSCH AND LOMB
BatteryNOT INCLUDED
Wavelength Range+340.0 TO 950.0 MILLIMICRONS
Quartz PrismNOT INCLUDED
Trickle ChargerNOT INCLUDED
Scale TypeFIXED
Slit AdjustabilityNONADJUSTABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5935-00-088-7380712262-18 INTERCHANGEABLE
Connector,receptacle,electrical
Raytheon Company Div Rmd Strategic
5977-00-231-277233415-4 INTERCHANGEABLE
Brush Set,electrical Contact
Ametek Inc Lamb Electric Div
6210-00-299-392071-431 INTERCHANGEABLE
Lens,light
Dialight Corporation
5940-00-501-6694260-103 INTERCHANGEABLE
Post,binding,electrical
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5950-00-506-0350310-13773-01 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5895-01-080-827271431 INTERCHANGEABLE
Tuner,radio Frequency
Drs Signal Solutions, Inc.
3040-01-261-112671431-3 INTERCHANGEABLE
Connecting Link,rigid
Fleet Readiness Center Southwest
5998-01-317-234671431 INTERCHANGEABLE
Circuit Card Assembly
Evoqua Water Technologies Llc
5340-01-335-509071431 INTERCHANGEABLE
Board Indicator
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
1560-01-627-307171431 INTERCHANGEABLE
Fuselage Section
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
S6011-1 Baxter Healthcare Corp Baxter Scientific Products Div Government Sales (USA)
07-143-1 Fisher Scientific Company L.l.c. (USA)
33-29-61-64 Bausch & Lomb Inc (USA)
59485-20 Curtin Matheson Scientific Inc (USA)
33-31-72 PRIMARY Bausch & Lomb Inc (USA)
7-143-1 Fisher Scientific Company L.l.c. (USA)
33-266 Bausch & Lomb Inc (USA)
SPECTR0NIC20 Bausch & Lomb Inc (USA)
C-6650-4 Sp Industries Inc Lurex Mfg (USA)
22348-106 Univar Corp Van Waters and Rogers Inc (USA)
S-75410-10 Sargent-Welch Scientific Co (USA)
Related Parts
5935-00-088-7380INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
712262-18
5977-00-231-2772INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
33415-4
6210-00-299-3920INTERCHANGEABLE
LENS,LIGHT
71-431
5940-00-501-6694INTERCHANGEABLE
POST,BINDING,ELECTRICAL
260-103
5950-00-506-0350INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
310-13773-01
5895-01-080-8272INTERCHANGEABLE
TUNER,RADIO FREQUENCY
71431
3040-01-261-1126INTERCHANGEABLE
CONNECTING LINK,RIGID
71431-3
5998-01-317-2346INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
71431
5340-01-335-5090INTERCHANGEABLE
BOARD INDICATOR
71431
1560-01-627-3071INTERCHANGEABLE
FUSELAGE SECTION
71431
6550-01-650-0026INTERCHANGEABLE
SODIUM AZIDE
333172

Frequently Asked Questions

What is NSN 6650-01-047-3911?

NSN 6650-01-047-3911 is a Spectrophotometer, manufactured by Bausch & Lomb Inc, classified under FSC 6650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6650-01-047-3911?

NSN 6650-01-047-3911 has 11 cross-referenced part numbers: S6011-1 (Baxter Healthcare Corp Baxter Scientific Products Div Government Sales), 07-143-1 (Fisher Scientific Company L.l.c.), 33-29-61-64 (Bausch & Lomb Inc), 59485-20 (Curtin Matheson Scientific Inc), 33-31-72 (Bausch & Lomb Inc) and 6 more.

What NSN replaces 6650-01-047-3911?

There are 11 known substitutes for 6650-01-047-3911: 5935-00-088-7380, 5977-00-231-2772, 6210-00-299-3920 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-31-72?

Key specifications for 33-31-72: Design Designation: BAUSCH AND LOMB; Battery: NOT INCLUDED; Wavelength Range: +340.0 TO 950.0 MILLIMICRONS; Special Features: 20 NM SLIT WIDTH. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6650-01-047-3911 still in active supply?

NSN 6650-01-047-3911 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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