PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BM1.50/1.00Toric Mold,glass Back

Opticast Inc · NSN 6540-01-508-1630 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-508-1630 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-508-1630. Primary manufacturer part number: BM1.50/1.00.
Features
  • Toric Mold,glass Back — FSC 6540
  • 3 verified cross-references
  • Primary manufacturer: Opticast Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Toric Mold,glass Back, cataloged under National Stock Number 6540-01-508-1630, 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 Opticast Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-508-1630
Primary Part NumberBM1.50/1.00
Item NameToric Mold,glass Back
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerOpticast Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5325-00-282-50342-06743 INTERCHANGEABLE
Ring,retaining
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5905-01-226-3519030 801 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Miller Electric Mfg. Llc
Cross-Reference Index
Part NumberManufacturer
6540NCM030648 Defense Medical Standardization Board (USA)
03-0801 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
BM1.50/1.00 PRIMARY Opticast Inc (USA)
Related Parts
5325-00-282-5034INTERCHANGEABLE
RING,RETAINING
2-06743
5905-01-226-3519INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
030 801

Frequently Asked Questions

What is NSN 6540-01-508-1630?

NSN 6540-01-508-1630 is a Toric Mold,glass Back, manufactured by Opticast Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-508-1630?

NSN 6540-01-508-1630 has 3 cross-referenced part numbers: 6540NCM030648 (Defense Medical Standardization Board), 03-0801 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), BM1.50/1.00 (Opticast Inc).

What NSN replaces 6540-01-508-1630?

There are 2 known substitutes for 6540-01-508-1630: 5325-00-282-5034, 5905-01-226-3519. Verify interchangeability with system specifications before substitution.

What are the specifications of BM1.50/1.00?

Key specifications for BM1.50/1.00: Special Features: REPLACEMENT COMPONENT/GLSBM-180 SYSTEM, GLASS BACK MOLDS; End Item Identification: 6540-01-507-3503, GLSBM-180, GLASS BACK MOLD SET; Part Name Assigned by Controlling Agency: MOLD TORIC GLASS BACK 1.50/1.00. 3 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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