PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MAG-1, 46X25Frame,spectacle

Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc · NSN 6540-01-107-4510 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-107-4510 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-107-4510. Primary manufacturer part number: MAG-1, 46X25.
Features
  • Frame,spectacle — FSC 6540
  • Diameter: 46.0 MILLIMETERS NOMINAL MM
  • Material: PLASTIC POLYAMIDE NYLON BRIDGE
  • Material: PLASTIC POLYAMIDE NYLON LENS RIM
  • Carrying Case: NOT PROVIDED
  • Lens Style: STANDARD S-10
  • Headband: PROVIDED
  • Bridge Width: 25.0 MILLIMETERS MM
Applications
  • Applications requiring Plastic Polyamide Nylon Bridge construction
General Description

The Frame,spectacle, cataloged under National Stock Number 6540-01-107-4510, 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 Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc. Government technical data includes 9 verified specifications, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-107-4510
Primary Part NumberMAG-1, 46X25
Item NameFrame,spectacle
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerCriss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc
StatusACTIVE
Diameter46.0 MILLIMETERS NOMINAL MM
MaterialPLASTIC POLYAMIDE NYLON BRIDGE
MaterialPLASTIC POLYAMIDE NYLON LENS RIM
Carrying CaseNOT PROVIDED
Lens StyleSTANDARD S-10
HeadbandPROVIDED
Bridge Width25.0 MILLIMETERS MM
Style DesignatorSADDLE BRIDGE
Front ColorBLACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
5120-00-024-9529 INTERCHANGEABLE
Pliers,retaining Ring
5910-00-112-7531 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5905-00-258-5710L50J3K0 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2510-00-737-1322 INTERCHANGEABLE
Pin,vehicular Leaf Spring Shackl
5905-00-931-59561800710-21 INTERCHANGEABLE
Resistor,fixed,wire Wound
Northrop Grumman Systems Corporation
5120-01-687-38560409 INTERCHANGEABLE
Blade,socket Head Screw Key
Bondhus Corp
Cross-Reference Index
Part NumberManufacturer
0-409 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
MAG-1, 46X25 PRIMARY Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc (USA)
Related Parts
5120-00-024-9529INTERCHANGEABLE
PLIERS,RETAINING RING
5910-00-112-7531INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5905-00-258-5710INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
L50J3K0
2510-00-737-1322INTERCHANGEABLE
PIN,VEHICULAR LEAF SPRING SHACKL
5905-00-931-5956INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
1800710-21
5120-01-687-3856INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
0409

Frequently Asked Questions

What is NSN 6540-01-107-4510?

NSN 6540-01-107-4510 is a Frame,spectacle, manufactured by Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-107-4510?

NSN 6540-01-107-4510 has 2 cross-referenced part numbers: 0-409 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), MAG-1, 46X25 (Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc).

What NSN replaces 6540-01-107-4510?

There are 6 known substitutes for 6540-01-107-4510: 5120-00-024-9529, 5910-00-112-7531, 5905-00-258-5710 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MAG-1, 46X25?

Key specifications for MAG-1, 46X25: Special Features: BLACK U-SHAPED NYLON BRIDLE; RIGHT AND LEFT BLACK SYNTHETIC SELF-ADJUSTING RUBBER STRAPS CONNECTED BY LOCKING LUGS AND ELASTIC LOOPS; EYE SIZE 46.0 MM; NON-REFLECTIVE; FOR REPLACEMENT STRAP ORDER 6540-01-109-5040 MM; Diameter: 46.0 MILLIMETERS NOMINAL MM; Material: PLASTIC POLYAMIDE NYLON BRIDGE; Material: PLASTIC POLYAMIDE NYLON LENS RIM. 11 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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