PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1T16Tube,refill,water Closet Bowl

Fluidmaster Inc · NSN 4510-01-680-0744 · FSC 4510 · No Item Name Available
Verified by PartsTable
NSN 4510-01-680-0744 — this item is cataloged by the U.S. Government under National Stock Number 4510-01-680-0744. Primary manufacturer part number: B1T16.
Features
  • Tube,refill,water Closet Bowl — FSC 4510
  • Material: STEEL
  • Length: 16.0 INCHES NOMINAL IN
  • Outside Diameter: 1.3 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 2.4LB WEIGHT LBS
  • 2 verified cross-references
  • Primary manufacturer: Fluidmaster Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Tube,refill,water Closet Bowl, cataloged under National Stock Number 4510-01-680-0744, 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 Fluidmaster Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4510-01-680-0744
Primary Part NumberB1T16
Item NameTube,refill,water Closet Bowl
FSC / FSG4510 / 45 — No Item Name Available
ManufacturerFluidmaster Inc
StatusACTIVE
MaterialSTEEL
Length16.0 INCHES NOMINAL IN
Outside Diameter1.3 INCHES NOMINAL IN
Nondefinitive Spec/std Data2.4LB WEIGHT LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2940-00-485-50992209 INTERCHANGEABLE
Air Cleaner,intake
Genuine Parts Company Div Automotive Parts Group, Dba Napa
5950-01-171-8776678-0325-010 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5360-01-197-926942209 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
B1T16 PRIMARY Fluidmaster Inc (USA)
42209 Ace Hardware & Building Center Inc Dba Ace Hardware (USA)
Related Parts
2940-00-485-5099INTERCHANGEABLE
AIR CLEANER,INTAKE
2209
5950-01-171-8776INTERCHANGEABLE
REACTOR
678-0325-010
5360-01-197-9269INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
42209

Frequently Asked Questions

What is NSN 4510-01-680-0744?

NSN 4510-01-680-0744 is a Tube,refill,water Closet Bowl, manufactured by Fluidmaster Inc, classified under FSC 4510 (No Item Name Available). Status: active.

What are the part numbers for NSN 4510-01-680-0744?

NSN 4510-01-680-0744 has 2 cross-referenced part numbers: B1T16 (Fluidmaster Inc), 42209 (Ace Hardware & Building Center Inc Dba Ace Hardware).

What NSN replaces 4510-01-680-0744?

There are 3 known substitutes for 4510-01-680-0744: 2940-00-485-5099, 5950-01-171-8776, 5360-01-197-9269. Verify interchangeability with system specifications before substitution.

What are the specifications of B1T16?

Key specifications for B1T16: Special Features: BRAIDED; STAINLESS STEEL; 3/8 INCH COMPRESSION END AND 7/8 INCH BALLCOCK END IN; Part Name Assigned by Controlling Agency: LINE, TOILET; Material: STEEL; Length: 16.0 INCHES NOMINAL IN. 6 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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