PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20538Lamp,incandescent

Cooper Crouse-Hinds Llc · NSN 6240-01-504-9271 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-504-9271 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-504-9271. Primary manufacturer part number: 20538.
Features
  • Lamp,incandescent — FSC 6240
  • 1 verified cross-reference
  • Primary manufacturer: Cooper Crouse-Hinds Llc
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-504-9271, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Cooper Crouse-Hinds Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-504-9271
Primary Part Number20538
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerCooper Crouse-Hinds Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2540-00-837-0872205-38 INTERCHANGEABLE
Handle,door,vehicular
Cmc of Georgia, Inc.
4720-01-020-508820538 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4810-01-229-551620538 INTERCHANGEABLE
Stem,fluid Valve
Real-Time Laboratories, Llc
3110-01-513-6961 INTERCHANGEABLE
Bearing,roller,self-Aligning
6515-01-590-8112D03252 INTERCHANGEABLE
Cord,vitrectomy Enhancer
Medical Instrument Development Laboratories, Inc. Dba Mid Labs
Cross-Reference Index
Part NumberManufacturer
20538 PRIMARY Cooper Crouse-Hinds Llc (USA)
Related Parts
2540-00-837-0872INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
205-38
4720-01-020-5088INTERCHANGEABLE
HOSE,PREFORMED
20538
4810-01-229-5516INTERCHANGEABLE
STEM,FLUID VALVE
20538
3110-01-513-6961INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
6515-01-590-8112INTERCHANGEABLE
CORD,VITRECTOMY ENHANCER
D03252

Frequently Asked Questions

What is NSN 6240-01-504-9271?

NSN 6240-01-504-9271 is a Lamp,incandescent, manufactured by Cooper Crouse-Hinds Llc, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-504-9271?

NSN 6240-01-504-9271 has 1 cross-referenced part number: 20538 (Cooper Crouse-Hinds Llc).

What NSN replaces 6240-01-504-9271?

There are 5 known substitutes for 6240-01-504-9271: 2540-00-837-0872, 4720-01-020-5088, 4810-01-229-5516 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20538?

Key specifications for 20538: Special Features: 185 WATTS, 6.6 AMPS LAMP; End Item Identification: GROUND LIGHTING SYSTEM, MODEL EAL. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com