PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R6250Lunette Eye

Lockheed Martin Corp · NSN 3920-00-868-6268 · FSC 3920 · No Item Name Available
Verified by PartsTable
NSN 3920-00-868-6268 — this item is cataloged by the U.S. Government under National Stock Number 3920-00-868-6268. Primary manufacturer part number: R6250.
Features
  • Lunette Eye — FSC 3920
  • General Characteristics Item Description: STEEL,SAE 1010 T0 1040,QQ-S-636,280 BRINELL MAX HARDNESS,6.250 IN. OD,3.000 IN. 1D,0.179 IN. THK,MAX RATED DRAW BAR PULL APPROX 30,000 LBS LBS
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lunette Eye, cataloged under National Stock Number 3920-00-868-6268, is classified within Federal Supply Class 3920 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3920-00-868-6268
Primary Part NumberR6250
Item NameLunette Eye
FSC / FSG3920 / 39 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,SAE 1010 T0 1040,QQ-S-636,280 BRINELL MAX HARDNESS,6.250 IN. OD,3.000 IN. 1D,0.179 IN. THK,MAX RATED DRAW BAR PULL APPROX 30,000 LBS LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
9540-00-169-3665 INTERCHANGEABLE
Beam,structural
9540-00-169-3666 INTERCHANGEABLE
Beam,structural
3030-00-819-620115495 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
2910-00-972-79861908 INTERCHANGEABLE
Spring Relief Valve
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
2540-01-014-75481-3502 INTERCHANGEABLE
Drawbar,trailer
Pdi Ground Support Systems, Inc.
3030-01-225-14431350-2 INTERCHANGEABLE
Belts,v,matched Set
Gates Corporation
6240-01-344-5442 INTERCHANGEABLE
Lamp,incandescent
5999-01-423-0570BA-00041-001 INTERCHANGEABLE
Cooler,air,electronic Equipment
Raytheon E-Systems, Inc
5360-01-465-303713502 INTERCHANGEABLE
Spring,helical,compression
Caltam, Inc
5930-01-515-395413502 INTERCHANGEABLE
Switch,sensitive
Ives Equipment, Llc
Cross-Reference Index
Part NumberManufacturer
R-6250 Puritas Metal Products Inc (USA)
1-3502 Pdi Ground Support Systems, Inc. (USA)
R6250 PRIMARY Lockheed Martin Corp (USA)
6501 PRIMARY Pdi Ground Support Systems, Inc. (USA)
Related Parts
9540-00-169-3665INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-169-3666INTERCHANGEABLE
BEAM,STRUCTURAL
3030-00-819-6201INTERCHANGEABLE
BELT,V
15495
2910-00-972-7986INTERCHANGEABLE
SPRING RELIEF VALVE
1908
2540-01-014-7548INTERCHANGEABLE
DRAWBAR,TRAILER
1-3502
3030-01-225-1443INTERCHANGEABLE
BELTS,V,MATCHED SET
1350-2
6240-01-344-5442INTERCHANGEABLE
LAMP,INCANDESCENT
5999-01-423-0570INTERCHANGEABLE
COOLER,AIR,ELECTRONIC EQUIPMENT
BA-00041-001
5360-01-465-3037INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
13502
5930-01-515-3954INTERCHANGEABLE
SWITCH,SENSITIVE
13502
7025-01-663-9461INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
R6250

Frequently Asked Questions

What is NSN 3920-00-868-6268?

NSN 3920-00-868-6268 is a Lunette Eye, manufactured by Lockheed Martin Corp, classified under FSC 3920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3920-00-868-6268?

NSN 3920-00-868-6268 has 4 cross-referenced part numbers: R-6250 (Puritas Metal Products Inc), 1-3502 (Pdi Ground Support Systems, Inc.), R6250 (Lockheed Martin Corp), 6501 (Pdi Ground Support Systems, Inc.).

What NSN replaces 3920-00-868-6268?

There are 11 known substitutes for 3920-00-868-6268: 9540-00-169-3665, 9540-00-169-3666, 3030-00-819-6201 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R6250?

Key specifications for R6250: General Characteristics Item Description: STEEL,SAE 1010 T0 1040,QQ-S-636,280 BRINELL MAX HARDNESS,6.250 IN. OD,3.000 IN. 1D,0.179 IN. THK,MAX RATED DRAW BAR PULL APPROX 30,000 LBS LBS. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3920-00-868-6268 still in active supply?

NSN 3920-00-868-6268 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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