PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BM1.50Sphere Mold,glass Back

Opticast Inc · NSN 6540-01-508-1595 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-508-1595 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-508-1595. Primary manufacturer part number: BM1.50.
Features
  • Sphere 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 Sphere Mold,glass Back, cataloged under National Stock Number 6540-01-508-1595, 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
NSN6540-01-508-1595
Primary Part NumberBM1.50
Item NameSphere Mold,glass Back
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerOpticast Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
2910-00-363-72149289-1 INTERCHANGEABLE
Screen,filter,fuel
Cummins Inc.
6625-01-514-4212030797 INTERCHANGEABLE
Spark Gap
Spectrolab, Inc.
Cross-Reference Index
Part NumberManufacturer
03-0797 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
BM1.50 PRIMARY Opticast Inc (USA)
6540NCM030644 Defense Medical Standardization Board (USA)
Related Parts
2910-00-363-7214INTERCHANGEABLE
SCREEN,FILTER,FUEL
9289-1
6625-01-514-4212INTERCHANGEABLE
SPARK GAP
030797

Frequently Asked Questions

What is NSN 6540-01-508-1595?

NSN 6540-01-508-1595 is a Sphere Mold,glass Back, manufactured by Opticast Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-508-1595?

NSN 6540-01-508-1595 has 3 cross-referenced part numbers: 03-0797 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), BM1.50 (Opticast Inc), 6540NCM030644 (Defense Medical Standardization Board).

What NSN replaces 6540-01-508-1595?

There are 2 known substitutes for 6540-01-508-1595: 2910-00-363-7214, 6625-01-514-4212. Verify interchangeability with system specifications before substitution.

What are the specifications of BM1.50?

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