PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWP491Elbow,drainage Pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-277-7227 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-7227 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-7227. Primary manufacturer part number: WWP491.
Features
  • Elbow,drainage Pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN
  • Connection Style: DRAINAGE (PIPE) ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Sweep Type: SHORT
  • Leg Length: 2.250 INCHES NOMINAL FIRST END IN
  • Material Document and Classification: ASTM A126-61T,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 2.000 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Elbow,drainage Pipe, cataloged under National Stock Number 4730-00-277-7227, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 10 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-277-7227
Primary Part NumberWWP491
Item NameElbow,drainage Pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nominal Pipe Size Accommodated2.000 INCHES ALL ENDS IN
Connection StyleDRAINAGE (PIPE) ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Sweep TypeSHORT
Leg Length2.250 INCHES NOMINAL FIRST END IN
Material Document and ClassificationASTM A126-61T,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size2.000 INCHES ALL ENDS IN
Flow Angle90.0 DEGREES
MaterialIRON OVERALL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-120-31030051513-0 INTERCHANGEABLE
Bearing,roller,needle
New Holland Construction
4730-00-246-9211 INTERCHANGEABLE
Elbow,pipe
4730-00-249-1529 INTERCHANGEABLE
Elbow,drainage Pipe
4730-00-273-1192 INTERCHANGEABLE
Trap,drainage Pipe
4730-01-407-0701B-16-12 INTERCHANGEABLE
Nipple,tube
Hydro-Craft, Inc.
7021-01-604-0698B1612 INTERCHANGEABLE
Nrp,server,display,
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
3110-01-658-2646148415 INTERCHANGEABLE
Bearing,roller,needle
Allison Transmission Inc Dba Allison Transmission, Inc
3110-01-681-5730B-1612 INTERCHANGEABLE
Bearing,roller,needle
Pf Fishpole Hoists Inc Dba Pf Fishpole Hoists Inc
Cross-Reference Index
Part NumberManufacturer
WWP491 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B16.12 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
3110-00-120-3103INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
0051513-0
4730-00-246-9211INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-1529INTERCHANGEABLE
ELBOW,DRAINAGE PIPE
4730-00-273-1192INTERCHANGEABLE
TRAP,DRAINAGE PIPE
4730-01-407-0701INTERCHANGEABLE
NIPPLE,TUBE
B-16-12
7021-01-604-0698INTERCHANGEABLE
NRP,SERVER,DISPLAY,
B1612
3110-01-658-2646INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
148415
3110-01-681-5730INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-1612

Frequently Asked Questions

What is NSN 4730-00-277-7227?

NSN 4730-00-277-7227 is a Elbow,drainage Pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-277-7227?

NSN 4730-00-277-7227 has 2 cross-referenced part numbers: WWP491 (Federal Specifications Promulgated by General Services Administration Washington DC), B16.12 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-277-7227?

There are 8 known substitutes for 4730-00-277-7227: 3110-00-120-3103, 4730-00-246-9211, 4730-00-249-1529 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWP491?

Key specifications for WWP491: Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Connection Style: DRAINAGE (PIPE) ALL ENDS; Thread Series Designator: NPT ALL ENDS; Sweep Type: SHORT. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com