PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73Cloth,lens

Bausch and Lomb Dept 3406 Area 58 · NSN 6640-01-115-7519 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-115-7519 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-115-7519. Primary manufacturer part number: 73.
Features
  • Cloth,lens — FSC 6640
  • Unit Package Quantity: 400
  • Material: PLASTIC CELLULOSE ACETATE
  • Unit Package Type: PACKAGE
  • 4 verified cross-references
  • Primary manufacturer: Bausch and Lomb Dept 3406 Area 58
Applications
  • Applications requiring Plastic Cellulose Acetate construction
General Description

The Cloth,lens, cataloged under National Stock Number 6640-01-115-7519, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bausch and Lomb Dept 3406 Area 58. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN6640-01-115-7519
Primary Part Number73
Item NameCloth,lens
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerBausch and Lomb Dept 3406 Area 58
StatusACTIVE
Unit Package Quantity400
MaterialPLASTIC CELLULOSE ACETATE
Unit Package TypePACKAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6210-00-151-5243 INTERCHANGEABLE
Light,indicator
5977-00-319-3256176301 INTERCHANGEABLE
Holder,electrical Contact Brush
Lockheed Martin Corporation Div Rms - Mitchel Field
5950-01-022-044656-124 INTERCHANGEABLE
Transformer,pulse
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
6680-01-461-3220177107 INTERCHANGEABLE
Tachometer,electronic
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
73 Dow Silicones Corporation (USA)
52848-050 Vwr Scientific a Vwr Co (USA)
73 PRIMARY Bausch and Lomb Dept 3406 Area 58 (USA)
176301 Intersafe Netherlands B.v. (NLD)
Related Parts
6210-00-151-5243INTERCHANGEABLE
LIGHT,INDICATOR
5977-00-319-3256INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
176301
5950-01-022-0446INTERCHANGEABLE
TRANSFORMER,PULSE
56-124
6680-01-461-3220INTERCHANGEABLE
TACHOMETER,ELECTRONIC
177107

Frequently Asked Questions

What is NSN 6640-01-115-7519?

NSN 6640-01-115-7519 is a Cloth,lens, manufactured by Bausch and Lomb Dept 3406 Area 58, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-115-7519?

NSN 6640-01-115-7519 has 4 cross-referenced part numbers: 73 (Dow Silicones Corporation), 52848-050 (Vwr Scientific a Vwr Co), 73 (Bausch and Lomb Dept 3406 Area 58), 176301 (Intersafe Netherlands B.v.).

What NSN replaces 6640-01-115-7519?

There are 4 known substitutes for 6640-01-115-7519: 6210-00-151-5243, 5977-00-319-3256, 5950-01-022-0446 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73?

Key specifications for 73: Unit Package Quantity: 400; Material: PLASTIC CELLULOSE ACETATE; Special Features: SIGHT-SAVERS SUPER SOFT; SILICONE TREATED; CLEANS GLASS OR PLASTIC LENS; UNIT QTY 400; Unit Package Type: PACKAGE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com