PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31331Mirror,optical Instrument

Cooper Surgical · NSN 6650-01-508-7817 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-508-7817 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-508-7817. Primary manufacturer part number: 31331.
Features
  • Mirror,optical Instrument — FSC 6650
  • 2 verified cross-references
  • Primary manufacturer: Cooper Surgical
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mirror,optical Instrument, cataloged under National Stock Number 6650-01-508-7817, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cooper Surgical. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-508-7817
Primary Part Number31331
Item NameMirror,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerCooper Surgical
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5136-00-189-31285136-00-189-3128 INTERCHANGEABLE
Die,rethreading
General Services Administration Federal Supply Service
9540-00-595-8555 INTERCHANGEABLE
Angle,structural
3110-00-769-14264TL68111 INTERCHANGEABLE
Cup,tapered Roller Bearing
Ntn Bearing Corporation of America
5985-00-834-47939159596 INTERCHANGEABLE
Coupler,directional
Us Army Aviation and Missile Command
5935-00-856-443531331 INTERCHANGEABLE
Adapter,connector
Itt Cannon Rf Products
5945-00-943-9235 INTERCHANGEABLE
Relay,resonant Reed
5305-01-099-643811662344 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
6550-01-153-3630231331 INTERCHANGEABLE
Sensitivity Discs,diagnostic
Becton, Dickinson and Co Dba Becton Dickinson & Co
5305-01-317-988931331 INTERCHANGEABLE
Screw,self-Drilling
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
LL-H56-2136 Naval Medical Material Support Command Detachment (USA)
31331 PRIMARY Cooper Surgical (USA)
Related Parts
5136-00-189-3128INTERCHANGEABLE
DIE,RETHREADING
5136-00-189-3128
9540-00-595-8555INTERCHANGEABLE
ANGLE,STRUCTURAL
3110-00-769-1426INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
4TL68111
5985-00-834-4793INTERCHANGEABLE
COUPLER,DIRECTIONAL
9159596
5935-00-856-4435INTERCHANGEABLE
ADAPTER,CONNECTOR
31331
5945-00-943-9235INTERCHANGEABLE
RELAY,RESONANT REED
5305-01-099-6438INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
11662344
6550-01-153-3630INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC
231331
5305-01-317-9889INTERCHANGEABLE
SCREW,SELF-DRILLING
31331

Frequently Asked Questions

What is NSN 6650-01-508-7817?

NSN 6650-01-508-7817 is a Mirror,optical Instrument, manufactured by Cooper Surgical, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-508-7817?

NSN 6650-01-508-7817 has 2 cross-referenced part numbers: LL-H56-2136 (Naval Medical Material Support Command Detachment), 31331 (Cooper Surgical).

What NSN replaces 6650-01-508-7817?

There are 9 known substitutes for 6650-01-508-7817: 5136-00-189-3128, 9540-00-595-8555, 3110-00-769-1426 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31331?

Key specifications for 31331: Part Name Assigned by Controlling Agency: FIRST SURFACE MIRROR FOR INDIRECT BINOCULAR OPTHALMOSCOPE; End Item Identification: INDIRECT BINOCULAR OPTHALMOSCOPE. 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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