PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20553Lamp,incandescent

Cooper Crouse-Hinds Llc · NSN 6240-01-503-5803 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-503-5803 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-503-5803. Primary manufacturer part number: 20553.
Features
  • Lamp,incandescent — FSC 6240
  • Wattage Rating: 45.000 WATTS
  • Current Rating for Which Designed: 6.600 AMPERES NOMINAL
  • 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 6240-01-503-5803, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-503-5803
Primary Part Number20553
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerCooper Crouse-Hinds Llc
StatusACTIVE
Wattage Rating45.000 WATTS
Current Rating for Which Designed6.600 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-647-661920553 INTERCHANGEABLE
Reactor
Gte Products Corp Sylvania Miniature Lighting Div
5950-00-726-2736 INTERCHANGEABLE
Coil,radio Frequency
5930-00-991-45292055-3 INTERCHANGEABLE
Switch,rotary
Janco Corporation Dba Janco Corp Div Mason Controls
7320-01-150-317020553 INTERCHANGEABLE
Cutter Assembly
Basic American Inc
4810-01-218-795120553 INTERCHANGEABLE
Valve,solenoid
Provision, Inc. Dba Provision Inc
4820-01-311-0954CPC25-15-V INTERCHANGEABLE
Valve,check
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
4820-01-369-5146 INTERCHANGEABLE
Cap,valve
4820-01-370-530320553-1003-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5120-01-430-8138 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
6240-01-509-06995900-04 INTERCHANGEABLE
Lamp,incandescent
O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.
Cross-Reference Index
Part NumberManufacturer
20553 PRIMARY Cooper Crouse-Hinds Llc (USA)
Related Parts
5950-00-647-6619INTERCHANGEABLE
REACTOR
20553
5950-00-726-2736INTERCHANGEABLE
COIL,RADIO FREQUENCY
5930-00-991-4529INTERCHANGEABLE
SWITCH,ROTARY
2055-3
7320-01-150-3170INTERCHANGEABLE
CUTTER ASSEMBLY
20553
4810-01-218-7951INTERCHANGEABLE
VALVE,SOLENOID
20553
4820-01-311-0954INTERCHANGEABLE
VALVE,CHECK
CPC25-15-V
4820-01-369-5146INTERCHANGEABLE
CAP,VALVE
4820-01-370-5303INTERCHANGEABLE
CAP,VALVE
20553-1003-1
5120-01-430-8138INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
6240-01-509-0699INTERCHANGEABLE
LAMP,INCANDESCENT
5900-04

Frequently Asked Questions

What is NSN 6240-01-503-5803?

NSN 6240-01-503-5803 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 6240-01-503-5803?

NSN 6240-01-503-5803 has 1 cross-referenced part number: 20553 (Cooper Crouse-Hinds Llc).

What NSN replaces 6240-01-503-5803?

There are 10 known substitutes for 6240-01-503-5803: 5950-00-647-6619, 5950-00-726-2736, 5930-00-991-4529 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20553?

Key specifications for 20553: Wattage Rating: 45.000 WATTS; End Item Identification: PRECISION APPROACH PATH INDICATOR; Current Rating for Which Designed: 6.600 AMPERES NOMINAL. 3 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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