PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WW-P-491Elbow,drainage Pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-249-1529 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-249-1529 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-249-1529. Primary manufacturer part number: WW-P-491.
Features
  • Elbow,drainage Pipe — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Flow Angle: 90.0 DEGREES
  • Connection Style: DRAINAGE (PIPE) ALL ENDS
  • Leg Length: 3.060 INCHES NOMINAL FIRST END IN
  • Nominal Thread Size: 3.000 INCHES ALL ENDS IN
  • Material: IRON OVERALL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
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 4730-00-249-1529, 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 8 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-249-1529
Primary Part NumberWW-P-491
Item NameElbow,drainage Pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Flow Angle90.0 DEGREES
Connection StyleDRAINAGE (PIPE) ALL ENDS
Leg Length3.060 INCHES NOMINAL FIRST END IN
Nominal Thread Size3.000 INCHES ALL ENDS IN
MaterialIRON OVERALL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Specification/standard Data96906-MS90522 GOVERNMENT STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3110-00-120-31030051513-0 INTERCHANGEABLE
Bearing,roller,needle
New Holland Construction
4730-00-246-9211 INTERCHANGEABLE
Elbow,pipe
4730-00-273-1192 INTERCHANGEABLE
Trap,drainage Pipe
4730-00-277-7227 INTERCHANGEABLE
Elbow,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
WW-P-491 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B16.12 The American Society of Mechanical Engineers (USA)
MS90522-5K1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-120-3103INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
0051513-0
4730-00-246-9211INTERCHANGEABLE
ELBOW,PIPE
4730-00-273-1192INTERCHANGEABLE
TRAP,DRAINAGE PIPE
4730-00-277-7227INTERCHANGEABLE
ELBOW,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 4730-00-249-1529?

NSN 4730-00-249-1529 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: cancelled.

What are the part numbers for NSN 4730-00-249-1529?

NSN 4730-00-249-1529 has 3 cross-referenced part numbers: WW-P-491 (Federal Specifications Promulgated by General Services Administration Washington DC), B16.12 (The American Society of Mechanical Engineers), MS90522-5K1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-249-1529?

There are 8 known substitutes for 4730-00-249-1529: 3110-00-120-3103, 4730-00-246-9211, 4730-00-273-1192 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WW-P-491?

Key specifications for WW-P-491: Thread Series Designator: NPT ALL ENDS; Flow Angle: 90.0 DEGREES; Connection Style: DRAINAGE (PIPE) ALL ENDS; Leg Length: 3.060 INCHES NOMINAL FIRST END IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-249-1529 still in active supply?

NSN 4730-00-249-1529 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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