PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A40111Lampholder

Telephone Company of America Incorporated · NSN 6250-00-669-5617 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-669-5617 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-669-5617. Primary manufacturer part number: A40111.
Features
  • Lampholder — FSC 6250
  • Material: PLASTIC BODY
  • Terminal Type: TAB, SOLDER LUG
  • Material: COPPER ALLOY MOUNTING
  • Surface Treatment: NICKEL SHELL
  • Bracket Mounting Hole Diameter: 0.141 INCHES NOMINAL IN
  • Material: COPPER ALLOY SHELL
  • Coating Method: PLATED SHELL
Applications
  • Applications requiring Plastic Body construction
General Description

The Lampholder, cataloged under National Stock Number 6250-00-669-5617, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Telephone Company of America Incorporated. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6250-00-669-5617
Primary Part NumberA40111
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerTelephone Company of America Incorporated
StatusCANCELLED
MaterialPLASTIC BODY
Terminal TypeTAB, SOLDER LUG
MaterialCOPPER ALLOY MOUNTING
Surface TreatmentNICKEL SHELL
Bracket Mounting Hole Diameter0.141 INCHES NOMINAL IN
MaterialCOPPER ALLOY SHELL
Coating MethodPLATED SHELL
Outside Diameter0.625 INCHES NOMINAL IN
Mounting Feature TypeSURFACE
Mounting Device Quantity1
Lamp Base Type AccommodatedTELEPHONE SLIDE SPECIAL
Mounting MethodBRACKET(S) LOCATION NOT OTHERWISE SPECIFIED
Hazardous Locations/environmental ProtectionNOT RATED
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5315-00-011-0743112047 INTERCHANGEABLE
Pin,straight,headless
U S Army Tank Automotive Command Amsta-Im-Mm
5915-00-567-8511 INTERCHANGEABLE
Filter,band Pass
8340-00-845-5384 INTERCHANGEABLE
Brace,tent Door Control Arm
4010-00-865-3923 INTERCHANGEABLE
Chain,welded
4730-01-206-4836 INTERCHANGEABLE
Coupling Half,quick Disconnect
3950-01-273-1352 INTERCHANGEABLE
Chain,chain Hoist
6680-01-553-217653A INTERCHANGEABLE
Indicator,sight,liquid
Ernst Flow Industries Llc Div Ernst Flow Industries
Cross-Reference Index
Part NumberManufacturer
D161950 Lucent Technologies Inc Dba Federal Marketing Group (USA)
UA34693 L3harris Technologies, Inc. Dba Harris Corporation (USA)
53A American Telephone and Telegraph Co (USA)
UA34693 Itt Industries Inc Itt Aerospace Communications Div East (USA)
0161950 Lucent Technologies Inc Corporate Headquarters (USA)
0161950 Lucent Technologies Inc Dba Federal Marketing Group (USA)
53A Lucent Technologies Inc Corporate Headquarters (USA)
0161950 American Telephone and Telegraph Co (USA)
D161950 Lucent Technologies Inc Corporate Headquarters (USA)
53A Lucent Technologies Inc Dba Federal Marketing Group (USA)
4300814-001 C Systems Llc Dba Craig Systems Dba Eastern Technologies (USA)
D161950 American Telephone and Telegraph Co (USA)
A40111 PRIMARY Telephone Company of America Incorporated (USA)
Related Parts
5315-00-011-0743INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
112047
5915-00-567-8511INTERCHANGEABLE
FILTER,BAND PASS
8340-00-845-5384INTERCHANGEABLE
BRACE,TENT DOOR CONTROL ARM
4010-00-865-3923INTERCHANGEABLE
CHAIN,WELDED
4730-01-206-4836INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3950-01-273-1352INTERCHANGEABLE
CHAIN,CHAIN HOIST
6680-01-553-2176INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
53A

Frequently Asked Questions

What is NSN 6250-00-669-5617?

NSN 6250-00-669-5617 is a Lampholder, manufactured by Telephone Company of America Incorporated, classified under FSC 6250 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6250-00-669-5617?

NSN 6250-00-669-5617 has 13 cross-referenced part numbers: D161950 (Lucent Technologies Inc Dba Federal Marketing Group), UA34693 (L3harris Technologies, Inc. Dba Harris Corporation), 53A (American Telephone and Telegraph Co), UA34693 (Itt Industries Inc Itt Aerospace Communications Div East), 0161950 (Lucent Technologies Inc Corporate Headquarters) and 8 more.

What NSN replaces 6250-00-669-5617?

There are 7 known substitutes for 6250-00-669-5617: 5315-00-011-0743, 5915-00-567-8511, 8340-00-845-5384 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A40111?

Key specifications for A40111: Material: PLASTIC BODY; Terminal Type: TAB, SOLDER LUG; Material: COPPER ALLOY MOUNTING; Surface Treatment: NICKEL SHELL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6250-00-669-5617 still in active supply?

NSN 6250-00-669-5617 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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