PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83.950Washer,lens

Grobet File Company of America, Inc. Dba William Dixon · NSN 6540-01-462-9952 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-462-9952 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-462-9952. Primary manufacturer part number: 83.950.
Features
  • Washer,lens — FSC 6540
  • General Characteristics Item Description: ACETATE LENS WASHER; WR-950; 4 METER ROLL; REGULAR NO. 50
  • 2 verified cross-references
  • Primary manufacturer: Grobet File Company of America, Inc. Dba William Dixon
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lens, cataloged under National Stock Number 6540-01-462-9952, is classified within Federal Supply Class 6540 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Grobet File Company of America, Inc. Dba William Dixon. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-462-9952
Primary Part Number83.950
Item NameWasher,lens
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerGrobet File Company of America, Inc. Dba William Dixon
StatusACTIVE
General Characteristics Item DescriptionACETATE LENS WASHER; WR-950; 4 METER ROLL; REGULAR NO. 50
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
6110-00-112-0253 INTERCHANGEABLE
Protector,thermal-Overload,elect
4820-00-506-126883950 INTERCHANGEABLE
Piston with Stem
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5935-00-917-54592520607 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6145-01-345-191683950 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5895-01-678-375083950 INTERCHANGEABLE
Ground Control Station,unmanned
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
83.950 Grobet File Company of America, Inc. Dba William Dixon (USA)
98-1218 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
Related Parts
6110-00-112-0253INTERCHANGEABLE
PROTECTOR,THERMAL-OVERLOAD,ELECT
4820-00-506-1268INTERCHANGEABLE
PISTON WITH STEM
83950
5935-00-917-5459INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2520607
6145-01-345-1916INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
83950
5895-01-678-3750INTERCHANGEABLE
GROUND CONTROL STATION,UNMANNED
83950

Frequently Asked Questions

What is NSN 6540-01-462-9952?

NSN 6540-01-462-9952 is a Washer,lens, manufactured by Grobet File Company of America, Inc. Dba William Dixon, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-462-9952?

NSN 6540-01-462-9952 has 2 cross-referenced part numbers: 83.950 (Grobet File Company of America, Inc. Dba William Dixon), 98-1218 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia).

What NSN replaces 6540-01-462-9952?

There are 5 known substitutes for 6540-01-462-9952: 6110-00-112-0253, 4820-00-506-1268, 5935-00-917-5459 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 83.950?

Key specifications for 83.950: Part Name Assigned by Controlling Agency: WASHER LENS 4 METER ROLL REGULAR NO. 50; General Characteristics Item Description: ACETATE LENS WASHER; WR-950; 4 METER ROLL; REGULAR NO. 50. 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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