PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-1Lampholder

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6250-00-894-0763 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-894-0763 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-894-0763. Primary manufacturer part number: 21-1.
Features
  • Lampholder — FSC 6250
  • Style Designator: WIRE LEADS
  • Material: PLASTIC BODY
  • Outside Diameter: 0.172 INCHES NOMINAL IN
  • Mounting Feature Type: SURFACE
  • Hazardous Locations/environmental Protection: NOT RATED
  • Terminal Type: PLUG
  • Mounting Device Quantity: 1
Applications
  • Applications requiring Plastic Body construction
General Description

The Lampholder, cataloged under National Stock Number 6250-00-894-0763, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6250-00-894-0763
Primary Part Number21-1
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Style DesignatorWIRE LEADS
MaterialPLASTIC BODY
Outside Diameter0.172 INCHES NOMINAL IN
Mounting Feature TypeSURFACE
Hazardous Locations/environmental ProtectionNOT RATED
Terminal TypePLUG
Mounting Device Quantity1
Terminal Quantity2
Lamp Base Type AccommodatedTWO PIN PREFOCUS
Mounting MethodUNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6740-00-110-6608A-337 INTERCHANGEABLE
Blade,lower Left
Hollywood Film Company Manufacturing
5120-00-142-377811-10192 INTERCHANGEABLE
Puller,mechanical
Kell-Strom Tool International, Inc.
2825-00-148-1903111086 INTERCHANGEABLE
Bucket Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5955-00-467-1238CM21-1 INTERCHANGEABLE
Oscillating Group
Bliley Technologies Inc
5365-00-634-9056111086 INTERCHANGEABLE
Spacer,ring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5950-00-646-0977 INTERCHANGEABLE
Coil,radio Frequency
4730-00-902-8991SAE J512 6-4 010202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5905-01-074-35953057P1-202 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Bourns Inc
5315-01-118-9792A3-37 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
5330-01-134-7476CM21-1 INTERCHANGEABLE
Packing Material
Columbia Machine Inc
Cross-Reference Index
Part NumberManufacturer
044439 Simmonds Precision Products Inc Instrument Systems Div (USA)
550355 Sigma Tek, Inc. (USA)
21-1 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
4018040090 Diehl Aerospace Gmbh, Standort Frankfurt (DEU)
3414313 Rca Corp Consumer Electronics (USA)
2800643 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
40-745-756 Meggitt (uk) Ltd Div Meggitt Sensing Systems (GBR)
A337 Horizon Aerospace Llc Dba Magnetics Division (USA)
N54-00148 Diehl Aerospace Gmbh, Standort Frankfurt (DEU)
CM21-1 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
CM21-1 Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip (USA)
352250014669 Thales Nederland (NLD)
57360-951-1 Thales Avs France SAS (FRA)
550355-01 Satair A/s (DNK)
C516020019 Singer Co the (USA)
10228502959 Elbitamerica, Inc. (USA)
550355-01 Sigma Tek, Inc. (USA)
033-0033-00 Honeywell International Inc. Dba Honeywell Aerospace Div Aerospace-Olathe (USA)
111086 American Precision Industries, Inc Div Portescap Us (USA)
C516020019 Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
6740-00-110-6608INTERCHANGEABLE
BLADE,LOWER LEFT
A-337
5120-00-142-3778INTERCHANGEABLE
PULLER,MECHANICAL
11-10192
2825-00-148-1903INTERCHANGEABLE
BUCKET ASSEMBLY
111086
5955-00-467-1238INTERCHANGEABLE
OSCILLATING GROUP
CM21-1
5365-00-634-9056INTERCHANGEABLE
SPACER,RING
111086
5950-00-646-0977INTERCHANGEABLE
COIL,RADIO FREQUENCY
4730-00-902-8991INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 6-4 010202BA
5905-01-074-3595INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
3057P1-202
5315-01-118-9792INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A3-37
5330-01-134-7476INTERCHANGEABLE
PACKING MATERIAL
CM21-1
4730-01-260-0105INTERCHANGEABLE
CAP,TUBE
239-07833
4720-01-278-3595INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
11-1086

Frequently Asked Questions

What is NSN 6250-00-894-0763?

NSN 6250-00-894-0763 is a Lampholder, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6250 (No Item Name Available). Status: active.

What are the part numbers for NSN 6250-00-894-0763?

NSN 6250-00-894-0763 has 20 cross-referenced part numbers: 044439 (Simmonds Precision Products Inc Instrument Systems Div), 550355 (Sigma Tek, Inc.), 21-1 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 4018040090 (Diehl Aerospace Gmbh, Standort Frankfurt), 3414313 (Rca Corp Consumer Electronics) and 15 more.

What NSN replaces 6250-00-894-0763?

There are 12 known substitutes for 6250-00-894-0763: 6740-00-110-6608, 5120-00-142-3778, 2825-00-148-1903 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-1?

Key specifications for 21-1: Style Designator: WIRE LEADS; Material: PLASTIC BODY; Outside Diameter: 0.172 INCHES NOMINAL IN; Mounting Feature Type: SURFACE. 11 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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