PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BBA-3371Spud,water Closet

Woodward-Wanger Co · NSN 4730-00-221-2398 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-221-2398 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-221-2398. Primary manufacturer part number: BBA-3371.
Features
  • Spud,water Closet — FSC 4730
  • Nominal Outside Diameter: 1.250 INCHES SECOND END IN
  • Flange Shape: ROUND SECOND END
  • Furnished Items and Quantity: 1 LOCKNUT AND 1 FRICTION RING
  • Nominal Thread Size: 1.250 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
  • Flange Face Design: PLAIN SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Spud,water Closet, cataloged under National Stock Number 4730-00-221-2398, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Woodward-Wanger Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-221-2398
Primary Part NumberBBA-3371
Item NameSpud,water Closet
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWoodward-Wanger Co
StatusACTIVE
Nominal Outside Diameter1.250 INCHES SECOND END IN
Flange ShapeROUND SECOND END
Furnished Items and Quantity1 LOCKNUT AND 1 FRICTION RING
Nominal Thread Size1.250 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Flange Face DesignPLAIN SECOND END
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection TypeFLANGE SECOND END
MaterialCOPPER ALLOY OVERALL
Nominal Thickness0.250 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-113-73832021-1310-00 INTERCHANGEABLE
Cover,electrical Connector
Tyco Electronics Corp
5930-00-201-3001TC-114 INTERCHANGEABLE
Switch,thermostatic
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
4730-00-221-2399901B003 INTERCHANGEABLE
Spud,water Closet
Crest Good Manufacturing Co Inc
5340-00-318-75389660 INTERCHANGEABLE
Fastener,cylinder,spring Loaded
Eastern Co Div Eberhard Manufacturing
3030-00-813-802217661 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
6920-00-894-1330 INTERCHANGEABLE
Modification Kit,re
5342-01-008-63969660 INTERCHANGEABLE
Hook,fastener,shrou
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6625-01-349-66009660 INTERCHANGEABLE
Meter,special Scale
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
4320-01-395-3867 INTERCHANGEABLE
Pump Unit,reciprocating
6515-01-717-00619660 INTERCHANGEABLE
Blade Assembly,surgical Clipper
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
TC 1-1/4 Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc (USA)
BBA-3371 PRIMARY Woodward-Wanger Co (USA)
9-660 Crane Co Div Valve Div (USA)
Related Parts
5935-00-113-7383INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
2021-1310-00
5930-00-201-3001INTERCHANGEABLE
SWITCH,THERMOSTATIC
TC-114
4730-00-221-2399INTERCHANGEABLE
SPUD,WATER CLOSET
901B003
5340-00-318-7538INTERCHANGEABLE
FASTENER,CYLINDER,SPRING LOADED
9660
3030-00-813-8022INTERCHANGEABLE
BELT,V
17661
6920-00-894-1330INTERCHANGEABLE
MODIFICATION KIT,RE
5342-01-008-6396INTERCHANGEABLE
HOOK,FASTENER,SHROU
9660
6625-01-349-6600INTERCHANGEABLE
METER,SPECIAL SCALE
9660
4320-01-395-3867INTERCHANGEABLE
PUMP UNIT,RECIPROCATING
6515-01-717-0061INTERCHANGEABLE
BLADE ASSEMBLY,SURGICAL CLIPPER
9660

Frequently Asked Questions

What is NSN 4730-00-221-2398?

NSN 4730-00-221-2398 is a Spud,water Closet, manufactured by Woodward-Wanger Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-221-2398?

NSN 4730-00-221-2398 has 3 cross-referenced part numbers: TC 1-1/4 (Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc), BBA-3371 (Woodward-Wanger Co), 9-660 (Crane Co Div Valve Div).

What NSN replaces 4730-00-221-2398?

There are 10 known substitutes for 4730-00-221-2398: 5935-00-113-7383, 5930-00-201-3001, 4730-00-221-2399 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BBA-3371?

Key specifications for BBA-3371: Nominal Outside Diameter: 1.250 INCHES SECOND END IN; Flange Shape: ROUND SECOND END; Furnished Items and Quantity: 1 LOCKNUT AND 1 FRICTION RING; Nominal Thread Size: 1.250 INCHES FIRST END IN. 11 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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