PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1A2A3B5A1Water Closet

The American Society of Mechanical Engineers · NSN 4510-01-238-1880 · FSC 4510 · No Item Name Available
Verified by PartsTable
NSN 4510-01-238-1880 — this item is cataloged by the U.S. Government under National Stock Number 4510-01-238-1880. Primary manufacturer part number: A1A2A3B5A1.
Features
  • Water Closet — FSC 4510
  • Furnished Items: FLUSH VALVE AND TANK
  • Tank/bowl Construction: TWO-PIECE
  • Flushing Action Type: SIPHON JET
  • Material: PORCELAIN TANK
  • Minimum Roughing-in Measurement: 12.000 INCHES IN
  • Tank Color: WHITE
  • Surface Treatment: ENAMEL TANK
Applications
  • Applications requiring Porcelain Tank construction
General Description

The Water Closet, cataloged under National Stock Number 4510-01-238-1880, 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 The American Society of Mechanical Engineers. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 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
NSN4510-01-238-1880
Primary Part NumberA1A2A3B5A1
Item NameWater Closet
FSC / FSG4510 / 45 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Furnished ItemsFLUSH VALVE AND TANK
Tank/bowl ConstructionTWO-PIECE
Flushing Action TypeSIPHON JET
MaterialPORCELAIN TANK
Minimum Roughing-in Measurement12.000 INCHES IN
Tank ColorWHITE
Surface TreatmentENAMEL TANK
Seat CoverNOT PROVIDED
Mounted Tank LocationBOWL SHELF
MaterialPORCELAIN BOWL
Juvenile Design CharacteristicNOT PROVIDED
Environmental Attribute CodeURINALS - WATERSENSE-OTHER WATERSENSE PLUMBING - WATER CONSERVING PRODUCTS
Bowl ShapeELONGATED FRONT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-128-1065 INTERCHANGEABLE
Urinal,stationary
4510-00-233-7704A112.19.2M-3-3JA-A211 INTERCHANGEABLE
Urinal,stationary
The American Society of Mechanical Engineers
4510-00-273-1196 INTERCHANGEABLE
Water Closet
4510-00-278-9539 INTERCHANGEABLE
Urinal,stationary
4510-00-347-66626-523 INTERCHANGEABLE
Drinking Fountain,stationary
Cr/pl Llc
4510-00-570-9435161-1190 INTERCHANGEABLE
Urinal,stationary
Wallace-Murray Corp Eljer Plumbingware Div Vitreous China Plant
6510-01-011-395521712 INTERCHANGEABLE
Adhesive Pad,colostomy-Ileostomy
Williams Physicians and Surgeons Supplies
4510-01-050-3633 INTERCHANGEABLE
Urinal,stationary
6510-01-153-45670217-12 INTERCHANGEABLE
Adhesive Pad,colostomy-Ileostomy
Cardinal Health 200, Llc
4510-01-171-2237 INTERCHANGEABLE
Lavatory
Cross-Reference Index
Part NumberManufacturer
A112.19.2M-1-A1A2A2B5A1 The American Society of Mechanical Engineers (USA)
A112.19.2M-1-A1A2A3B5A1 The American Society of Mechanical Engineers (USA)
2958K81 Mcmaster-Carr Supply Co (USA)
21-712 Gerber Plumbing Fixtures Llc (USA)
A112.19.2M The American Society of Mechanical Engineers (USA)
2827K51 Mcmaster-Carr Supply Co (USA)
A1A2A3B5A1 PRIMARY The American Society of Mechanical Engineers (USA)
21-212 Gerber Plumbing Fixtures Llc (USA)
Related Parts
4510-00-128-1065INTERCHANGEABLE
URINAL,STATIONARY
4510-00-233-7704INTERCHANGEABLE
URINAL,STATIONARY
A112.19.2M-3-3JA-A211
4510-00-273-1196INTERCHANGEABLE
WATER CLOSET
4510-00-278-9539INTERCHANGEABLE
URINAL,STATIONARY
4510-00-347-6662INTERCHANGEABLE
DRINKING FOUNTAIN,STATIONARY
6-523
4510-00-570-9435INTERCHANGEABLE
URINAL,STATIONARY
161-1190
6510-01-011-3955INTERCHANGEABLE
ADHESIVE PAD,COLOSTOMY-ILEOSTOMY
21712
4510-01-050-3633INTERCHANGEABLE
URINAL,STATIONARY
6510-01-153-4567INTERCHANGEABLE
ADHESIVE PAD,COLOSTOMY-ILEOSTOMY
0217-12
4510-01-171-2237INTERCHANGEABLE
LAVATORY
5305-01-190-4070INTERCHANGEABLE
SCREW,MACHINE
21712
4510-01-208-7209INTERCHANGEABLE
WATER CLOSET
091-1605

Frequently Asked Questions

What is NSN 4510-01-238-1880?

NSN 4510-01-238-1880 is a Water Closet, manufactured by The American Society of Mechanical Engineers, classified under FSC 4510 (No Item Name Available). Status: active.

What are the part numbers for NSN 4510-01-238-1880?

NSN 4510-01-238-1880 has 8 cross-referenced part numbers: A112.19.2M-1-A1A2A2B5A1 (The American Society of Mechanical Engineers), A112.19.2M-1-A1A2A3B5A1 (The American Society of Mechanical Engineers), 2958K81 (Mcmaster-Carr Supply Co), 21-712 (Gerber Plumbing Fixtures Llc), A112.19.2M (The American Society of Mechanical Engineers) and 3 more.

What NSN replaces 4510-01-238-1880?

There are 12 known substitutes for 4510-01-238-1880: 4510-00-128-1065, 4510-00-233-7704, 4510-00-273-1196 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1A2A3B5A1?

Key specifications for A1A2A3B5A1: Furnished Items: FLUSH VALVE AND TANK; Tank/bowl Construction: TWO-PIECE; Flushing Action Type: SIPHON JET; Material: PORCELAIN TANK. 13 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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