PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A11237Lamp

Macleod Instrument Corp · NSN 6645-00-405-8570 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-405-8570 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-405-8570. Primary manufacturer part number: A11237.
Features
  • Lamp — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Macleod Instrument Corp
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp, cataloged under National Stock Number 6645-00-405-8570, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Macleod Instrument Corp. 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: Active.

Catalog Facts
Item NameLamp
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersMacleod Instrument Corp (CAGE 11824)
Technical Specifications
ParameterValue
NSN6645-00-405-8570
Primary Part NumberA11237
Item NameLamp
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerMacleod Instrument Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6210-00-986-212111237 INTERCHANGEABLE
Light Assembly,indicator
Aerosonic Llc
5999-01-346-8385A3059401 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
A11237 Macleod Instrument Corp (USA)
Related Parts
6210-00-986-2121INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
11237
5999-01-346-8385INTERCHANGEABLE
CONTACT,ELECTRICAL
A3059401

Frequently Asked Questions

What is NSN 6645-00-405-8570?

NSN 6645-00-405-8570 is a Lamp, manufactured by Macleod Instrument Corp, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-405-8570?

NSN 6645-00-405-8570 has 1 cross-referenced part number: A11237 (Macleod Instrument Corp).

What NSN replaces 6645-00-405-8570?

There are 2 known substitutes for 6645-00-405-8570: 6210-00-986-2121, 5999-01-346-8385. Verify interchangeability with system specifications before substitution.

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