PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWN351TYPEBNipple,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-277-9457 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-9457 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-9457. Primary manufacturer part number: WWN351TYPEB.
Features
  • Nipple,pipe — FSC 4730
  • Nominal Overall Length: 2.500 INCHES IN
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Material Document and Classification: ASTM-A-106 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A-120 ASSN STD SINGLE MATERIAL RESPONSE OR WW-P-406 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: NPT FIRST END
  • Style Designator: CLOSE
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Nondefinitive Spec/std Data: 2 TYPE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-277-9457, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-9457
Primary Part NumberWWN351TYPEB
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Nominal Overall Length2.500 INCHES IN
Nominal Thread Size0.250 INCHES FIRST END IN
Material Document and ClassificationASTM-A-106 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A-120 ASSN STD SINGLE MATERIAL RESPONSE OR WW-P-406 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorNPT FIRST END
Style DesignatorCLOSE
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nondefinitive Spec/std Data2 TYPE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-050-1989 INTERCHANGEABLE
Nipple,pipe
4730-00-198-4720150-405FPC794 INTERCHANGEABLE
Nipple,pipe
Naval Ship Systems Command
4730-00-198-4724 INTERCHANGEABLE
Nipple,pipe
4730-00-277-8898A733S-196CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-277-9454F0-558 INTERCHANGEABLE
Nipple,pipe
Frick Co
4730-00-288-6996A733XS-84CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-384-0189A733XS-75CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-595-18758328174 INTERCHANGEABLE
Nipple,pipe
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-640-5648 INTERCHANGEABLE
Nipple,pipe
4730-00-804-7360 INTERCHANGEABLE
Nipple,pipe
Cross-Reference Index
Part NumberManufacturer
WWN351TYPEB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WWN351TYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-050-1989INTERCHANGEABLE
NIPPLE,PIPE
4730-00-198-4720INTERCHANGEABLE
NIPPLE,PIPE
150-405FPC794
4730-00-198-4724INTERCHANGEABLE
NIPPLE,PIPE
4730-00-277-8898INTERCHANGEABLE
NIPPLE,PIPE
A733S-196CFB
4730-00-277-9454INTERCHANGEABLE
NIPPLE,PIPE
F0-558
4730-00-288-6996INTERCHANGEABLE
NIPPLE,PIPE
A733XS-84CFB
4730-00-384-0189INTERCHANGEABLE
NIPPLE,PIPE
A733XS-75CFB
4730-00-595-1875INTERCHANGEABLE
NIPPLE,PIPE
8328174
4730-00-640-5648INTERCHANGEABLE
NIPPLE,PIPE
4730-00-804-7360INTERCHANGEABLE
NIPPLE,PIPE
4730-00-913-7820INTERCHANGEABLE
NIPPLE,PIPE
4730-00-982-8959INTERCHANGEABLE
NIPPLE,PIPE

Frequently Asked Questions

What is NSN 4730-00-277-9457?

NSN 4730-00-277-9457 is a Nipple,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 4730-00-277-9457?

NSN 4730-00-277-9457 has 2 cross-referenced part numbers: WWN351TYPEB (Federal Specifications Promulgated by General Services Administration Washington DC), WWN351TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-277-9457?

There are 12 known substitutes for 4730-00-277-9457: 4730-00-050-1989, 4730-00-198-4720, 4730-00-198-4724 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWN351TYPEB?

Key specifications for WWN351TYPEB: Nominal Overall Length: 2.500 INCHES IN; Nominal Thread Size: 0.250 INCHES FIRST END IN; Material Document and Classification: ASTM-A-106 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A-120 ASSN STD SINGLE MATERIAL RESPONSE OR WW-P-406 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: NPT FIRST END. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-9457 still in active supply?

NSN 4730-00-277-9457 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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