PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HB1Horn Button

General Automotive Specialty Co Inc · NSN 2590-00-974-9499 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-974-9499 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-974-9499. Primary manufacturer part number: HB1.
Features
  • Horn Button — FSC 2590
  • General Characteristics Item Description: PLASTIC;2.133 IN. O/A LG;1.625 IN.DIA OF BUTTON IN
  • 3 verified cross-references
  • Primary manufacturer: General Automotive Specialty Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Horn Button, cataloged under National Stock Number 2590-00-974-9499, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is General Automotive Specialty Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2590-00-974-9499
Primary Part NumberHB1
Item NameHorn Button
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerGeneral Automotive Specialty Co Inc
StatusCANCELLED
General Characteristics Item DescriptionPLASTIC;2.133 IN. O/A LG;1.625 IN.DIA OF BUTTON IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
1620-00-345-4604A11868 INTERCHANGEABLE
Plate Assy,valve Ro
Vibratech Inc
6695-00-497-3500 INTERCHANGEABLE
Bag,handle,detecto
9150-00-544-9429 INTERCHANGEABLE
Cutting Fluid
5930-00-703-68651902693 INTERCHANGEABLE
Handle,blackout Lig
Borgwarner Pds (anderson), L.l.c.
6760-01-340-7887 INTERCHANGEABLE
Shade,photographic Lens
Cross-Reference Index
Part NumberManufacturer
HB1 General Automotive Specialty Co Inc (USA)
A11868 Barrett Electronics Corp Industrial Truck Div (USA)
4520 General Automotive Specialty Co Inc (USA)
Related Parts
1620-00-345-4604INTERCHANGEABLE
PLATE ASSY,VALVE RO
A11868
6695-00-497-3500INTERCHANGEABLE
BAG,HANDLE,DETECTO
9150-00-544-9429INTERCHANGEABLE
CUTTING FLUID
5930-00-703-6865INTERCHANGEABLE
HANDLE,BLACKOUT LIG
1902693
6760-01-340-7887INTERCHANGEABLE
SHADE,PHOTOGRAPHIC LENS

Frequently Asked Questions

What is NSN 2590-00-974-9499?

NSN 2590-00-974-9499 is a Horn Button, manufactured by General Automotive Specialty Co Inc, classified under FSC 2590 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2590-00-974-9499?

NSN 2590-00-974-9499 has 3 cross-referenced part numbers: HB1 (General Automotive Specialty Co Inc), A11868 (Barrett Electronics Corp Industrial Truck Div), 4520 (General Automotive Specialty Co Inc).

What NSN replaces 2590-00-974-9499?

There are 5 known substitutes for 2590-00-974-9499: 1620-00-345-4604, 6695-00-497-3500, 9150-00-544-9429 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HB1?

Key specifications for HB1: General Characteristics Item Description: PLASTIC;2.133 IN. O/A LG;1.625 IN.DIA OF BUTTON IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2590-00-974-9499 still in active supply?

NSN 2590-00-974-9499 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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