PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

013-404Elbow,pipe

Dresser Industries Inc Leroi Div · NSN 4730-00-057-2971 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-057-2971 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-057-2971. Primary manufacturer part number: 013-404.
Features
  • Elbow,pipe — FSC 4730
  • Leg Length: 1.125 INCHES NOMINAL ALL ENDS IN
  • Flow Angle: 90.0 DEGREES
  • Material: IRON OVERALL
  • Thread Series Designator: NPT FIRST END
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Specification/standard Data: 81343-WWP-521 GOVERNMENT SPECIFICATION AND 80204-ANSI B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-057-2971, 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 Dresser Industries Inc Leroi Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-057-2971
Primary Part Number013-404
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Leg Length1.125 INCHES NOMINAL ALL ENDS IN
Flow Angle90.0 DEGREES
MaterialIRON OVERALL
Thread Series DesignatorNPT FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Specification/standard Data81343-WWP-521 GOVERNMENT SPECIFICATION AND 80204-ANSI B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-231-2409 INTERCHANGEABLE
Cap,pipe
4730-00-231-2414 INTERCHANGEABLE
Cap,pipe
4730-00-246-918580592 INTERCHANGEABLE
Elbow,pipe
Lawson Products, Inc.
4730-00-246-9193 INTERCHANGEABLE
Elbow,pipe
4730-00-277-3227 INTERCHANGEABLE
Tee,pipe
4730-00-278-6021 INTERCHANGEABLE
Tee,pipe
4730-00-773-956710932992-3 INTERCHANGEABLE
Elbow,pipe
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-838-6856 INTERCHANGEABLE
Elbow,pipe
4730-00-902-090310942570-1 INTERCHANGEABLE
Elbow,pipe
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-954-7242ANSIB16.3 INTERCHANGEABLE
Elbow,pipe
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
013-404 PRIMARY Dresser Industries Inc Leroi Div (USA)
508372 PRIMARY Dresser Industries Inc Leroi Div (USA)
ANSI B16.3 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
WW-P-521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WS722402 PRIMARY Fort Defiance Industries Llc (USA)
Related Parts
4730-00-231-2409INTERCHANGEABLE
CAP,PIPE
4730-00-231-2414INTERCHANGEABLE
CAP,PIPE
4730-00-246-9185INTERCHANGEABLE
ELBOW,PIPE
80592
4730-00-246-9193INTERCHANGEABLE
ELBOW,PIPE
4730-00-277-3227INTERCHANGEABLE
TEE,PIPE
4730-00-278-6021INTERCHANGEABLE
TEE,PIPE
4730-00-773-9567INTERCHANGEABLE
ELBOW,PIPE
10932992-3
4730-00-838-6856INTERCHANGEABLE
ELBOW,PIPE
4730-00-902-0903INTERCHANGEABLE
ELBOW,PIPE
10942570-1
4730-00-954-7242INTERCHANGEABLE
ELBOW,PIPE
ANSIB16.3
4730-00-973-8788INTERCHANGEABLE
ELBOW,PIPE
4730-01-042-9665INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4730-00-057-2971?

NSN 4730-00-057-2971 is a Elbow,pipe, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-057-2971?

NSN 4730-00-057-2971 has 5 cross-referenced part numbers: 013-404 (Dresser Industries Inc Leroi Div), 508372 (Dresser Industries Inc Leroi Div), ANSI B16.3 (American National Standards Institute Incorporated Dba American National Standards Institute), WW-P-521 (Federal Specifications Promulgated by General Services Administration Washington DC), WS722402 (Fort Defiance Industries Llc).

What NSN replaces 4730-00-057-2971?

There are 12 known substitutes for 4730-00-057-2971: 4730-00-231-2409, 4730-00-231-2414, 4730-00-246-9185 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 013-404?

Key specifications for 013-404: Leg Length: 1.125 INCHES NOMINAL ALL ENDS IN; Special Features: GRUMMAN A10 AIRCRAFT; Flow Angle: 90.0 DEGREES; Material: IRON OVERALL. 8 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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