PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TW0916Drain,lavatory

Prosource, Llc Div Greenville · NSN 4510-00-202-7775 · FSC 4510 · No Item Name Available
Verified by PartsTable
NSN 4510-00-202-7775 — this item is cataloged by the U.S. Government under National Stock Number 4510-00-202-7775. Primary manufacturer part number: TW0916.
Features
  • Drain,lavatory — FSC 4510
  • Tailpiece Nominal Diameter: 1.250 INCHES IN
  • Material: COPPER ALLOY
  • Surface Treatment: CHROMIUM
  • Supplementary Features: FOR 2 INCH DRAIN IN
  • Stopper Type: STOPPER W/ CHAIN
  • Tailpiece Nominal Length: 6.000 INCHES IN
  • 10 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Drain,lavatory, cataloged under National Stock Number 4510-00-202-7775, 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 Prosource, Llc Div Greenville. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4510-00-202-7775
Primary Part NumberTW0916
Item NameDrain,lavatory
FSC / FSG4510 / 45 — No Item Name Available
ManufacturerProsource, Llc Div Greenville
StatusACTIVE
Tailpiece Nominal Diameter1.250 INCHES IN
MaterialCOPPER ALLOY
Surface TreatmentCHROMIUM
Supplementary FeaturesFOR 2 INCH DRAIN IN
Stopper TypeSTOPPER W/ CHAIN
Tailpiece Nominal Length6.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4510-00-252-3154A-A-2882 SIZE 2 INTERCHANGEABLE
Drain,lavatory
General Services Administration Federal Supply Service
4510-00-529-4113 INTERCHANGEABLE
Drain,lavatory
4510-00-756-1145706-1 INTERCHANGEABLE
Trap,drain,plumbing Fixture
Oatey Co
1040-00-961-9464161022 INTERCHANGEABLE
Retainer,seat
Marotta Controls Inc
Cross-Reference Index
Part NumberManufacturer
161022 D H Williams Company (USA)
WW-P-541 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-D-001991 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-P-541/4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-D-001991 TY1 General Services Administration Federal Supply Service (USA)
A-A-2882 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
419629-TW0916 Orgill Bros and Co Inc (USA)
419629-TW0916 Giga, Inc. (USA)
A-A-2882 SZ1 General Services Administration Federal Supply Service (USA)
TW0916 PRIMARY Prosource, Llc Div Greenville (USA)
Related Parts
4510-00-252-3154INTERCHANGEABLE
DRAIN,LAVATORY
A-A-2882 SIZE 2
4510-00-529-4113INTERCHANGEABLE
DRAIN,LAVATORY
4510-00-756-1145INTERCHANGEABLE
TRAP,DRAIN,PLUMBING FIXTURE
706-1
1040-00-961-9464INTERCHANGEABLE
RETAINER,SEAT
161022

Frequently Asked Questions

What is NSN 4510-00-202-7775?

NSN 4510-00-202-7775 is a Drain,lavatory, manufactured by Prosource, Llc Div Greenville, classified under FSC 4510 (No Item Name Available). Status: active.

What are the part numbers for NSN 4510-00-202-7775?

NSN 4510-00-202-7775 has 10 cross-referenced part numbers: 161022 (D H Williams Company), WW-P-541 (Federal Specifications Promulgated by General Services Administration Washington DC), WW-D-001991 (Federal Specifications Promulgated by General Services Administration Washington DC), WW-P-541/4 (Federal Specifications Promulgated by General Services Administration Washington DC), WW-D-001991 TY1 (General Services Administration Federal Supply Service) and 5 more.

What NSN replaces 4510-00-202-7775?

There are 4 known substitutes for 4510-00-202-7775: 4510-00-252-3154, 4510-00-529-4113, 4510-00-756-1145 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TW0916?

Key specifications for TW0916: Tailpiece Nominal Diameter: 1.250 INCHES IN; Material: COPPER ALLOY; Surface Treatment: CHROMIUM; Supplementary Features: FOR 2 INCH DRAIN IN. 7 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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