PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MAG-1 STRAPStrap,spectacle Frame

Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc · NSN 6540-01-388-0560 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-388-0560 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-388-0560. Primary manufacturer part number: MAG-1 STRAP.
Features
  • Strap,spectacle Frame — FSC 6540
  • 1 verified cross-reference
  • Primary manufacturer: Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Strap,spectacle Frame, cataloged under National Stock Number 6540-01-388-0560, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-388-0560
Primary Part NumberMAG-1 STRAP
Item NameStrap,spectacle Frame
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerCriss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
No Item Name Available
6540-01-109-50401-001 INTERCHANGEABLE
Strap,spectacle Frame
Defense Medical Standardization Board
Cross-Reference Index
Part NumberManufacturer
MAG-1 STRAP PRIMARY Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc (USA)
Related Parts
6540-01-388-1302SUCCESSOR
NO ITEM NAME AVAILABLE
6540-01-109-5040INTERCHANGEABLE
STRAP,SPECTACLE FRAME
1-001

Frequently Asked Questions

What is NSN 6540-01-388-0560?

NSN 6540-01-388-0560 is a Strap,spectacle Frame, manufactured by Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc, classified under FSC 6540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6540-01-388-0560?

NSN 6540-01-388-0560 has 1 cross-referenced part number: MAG-1 STRAP (Criss Optical Manufacturing Co Inc Div Criss Optical Mfg Co Inc).

What NSN replaces 6540-01-388-0560?

There are 2 known substitutes for 6540-01-388-0560: 6540-01-388-1302, 6540-01-109-5040. Verify interchangeability with system specifications before substitution.

What are the specifications of MAG-1 STRAP?

Key specifications for MAG-1 STRAP: Part Name Assigned by Controlling Agency: STRAP SPECTACLE FRAME SELF-ADJUSTING RBBR BLACK RIGHT&LEFT SIDE; Special Features: SELF-ADJUSTING,RUBBER,BLACK; RIGHT AND LEFT SIDE; 10-11 IN. L; W/PROJECTING LOCKING LUGS ALONG THE LENGTH OF STRAP, WHICH PASS THROUGH ELASTIC LOOP AT STRAP ENDS AND RECTANGULAR OPENINGS FOR ATTACHMENT TO BRIDLE; REPLACEMENT STRAP FOR SPECTACLE FRAME, 6540-01-107-0304,6540-01-107-0305,6540-01-107-1732,6540-01-107-1733,6540-01-107-4509 AND 6540-01-107-4510. IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6540-01-388-0560 still in active supply?

NSN 6540-01-388-0560 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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