PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-246Bulb,flush,water Closet Tank

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4510-00-242-4185 · FSC 4510 · No Item Name Available
Verified by PartsTable
NSN 4510-00-242-4185 — this item is cataloged by the U.S. Government under National Stock Number 4510-00-242-4185. Primary manufacturer part number: A-A-246.
Features
  • Bulb,flush,water Closet Tank — FSC 4510
  • Diameter: 4.0 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Bulb,flush,water Closet Tank, cataloged under National Stock Number 4510-00-242-4185, is classified within Federal Supply Class 4510 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4510-00-242-4185
Primary Part NumberA-A-246
Item NameBulb,flush,water Closet Tank
FSC / FSG4510 / 45 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Diameter4.0 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4510-00-202-7366PP835-6 INTERCHANGEABLE
Lever Assembly,water Closet Tank
Keeney Mfg Co
4510-00-202-77021955CT-000 INTERCHANGEABLE
Seat,water Closet
Bemis Manufacturing Company Inc Dba Church Seat Co Div Olsonite Seat Company
4510-00-247-13701955CT-047 INTERCHANGEABLE
Seat,water Closet
Bemis Manufacturing Company Inc Dba Church Seat Co Div Olsonite Seat Company
4510-00-260-136725-404 INTERCHANGEABLE
Bowl,water Closet
Gerber Plumbing Fixtures Llc
4510-00-273-1197 INTERCHANGEABLE
Water Closet
4510-00-273-1202 INTERCHANGEABLE
Bowl,water Closet
4510-00-273-1250 INTERCHANGEABLE
Rod,actuating,flush Bulb
4510-00-684-61014KU65 INTERCHANGEABLE
Float,valve
Grainger Div of W W Grainger Inc
Cross-Reference Index
Part NumberManufacturer
A-A-246 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
0780351 Watts Water Technologies Inc (USA)
WW-P-541/1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4510-00-242-4185 General Services Administration Federal Supply Service (USA)
2P009 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
4510-00-202-7366INTERCHANGEABLE
LEVER ASSEMBLY,WATER CLOSET TANK
PP835-6
4510-00-202-7702INTERCHANGEABLE
SEAT,WATER CLOSET
1955CT-000
4510-00-247-1370INTERCHANGEABLE
SEAT,WATER CLOSET
1955CT-047
4510-00-260-1367INTERCHANGEABLE
BOWL,WATER CLOSET
25-404
4510-00-273-1197INTERCHANGEABLE
WATER CLOSET
4510-00-273-1202INTERCHANGEABLE
BOWL,WATER CLOSET
4510-00-273-1250INTERCHANGEABLE
ROD,ACTUATING,FLUSH BULB
4510-00-684-6101INTERCHANGEABLE
FLOAT,VALVE
4KU65

Frequently Asked Questions

What is NSN 4510-00-242-4185?

NSN 4510-00-242-4185 is a Bulb,flush,water Closet Tank, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4510 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4510-00-242-4185?

NSN 4510-00-242-4185 has 5 cross-referenced part numbers: A-A-246 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 0780351 (Watts Water Technologies Inc), WW-P-541/1 (Federal Specifications Promulgated by General Services Administration Washington DC), 4510-00-242-4185 (General Services Administration Federal Supply Service), 2P009 (W.w. Grainger, Inc. Div Government Sales Division).

What NSN replaces 4510-00-242-4185?

There are 8 known substitutes for 4510-00-242-4185: 4510-00-202-7366, 4510-00-202-7702, 4510-00-247-1370 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-246?

Key specifications for A-A-246: Diameter: 4.0 INCHES NOMINAL IN; Special Features: COPPER; ELLIPSOIDAL SHAPE; 5.0 INCHES LONG, 1/4-20 UNC INTERNAL THREADS ON ONE END TO ACCEPT FLOAT ROD IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4510-00-242-4185 still in active supply?

NSN 4510-00-242-4185 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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