PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

309 1-4Plug,pipe

Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy · NSN 4730-01-089-8871 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-089-8871 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-089-8871. Primary manufacturer part number: 309 1-4.
Features
  • Plug,pipe — FSC 4730
  • Drive End Style: RAISED SQUARE
  • Body Type: SOLID
  • Material: STEEL OVERALL
  • Thread Series Designator: NPT EXTERNAL
  • Thread Quantity Per Inch: 18 EXTERNAL
  • Nominal Thread Size: 0.250 INCHES EXTERNAL IN
  • Thread Direction: RIGHT-HAND EXTERNAL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-01-089-8871, 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 Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-089-8871
Primary Part Number309 1-4
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAti Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
StatusACTIVE
Drive End StyleRAISED SQUARE
Body TypeSOLID
MaterialSTEEL OVERALL
Thread Series DesignatorNPT EXTERNAL
Thread Quantity Per Inch18 EXTERNAL
Nominal Thread Size0.250 INCHES EXTERNAL IN
Thread DirectionRIGHT-HAND EXTERNAL
Thread Class2A EXTERNAL A
Connection StylePLAIN
Nominal Pipe Size for Which Designed0.250 INCHES IN
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6910-01-301-9279800-228 INTERCHANGEABLE
Methyl Cellulose,casualty Simula
Nasco Healthcare Inc
5330-01-485-905130914 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
527-4643400 ITEM 3 Naval Ship Systems Command (USA)
B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
309 1-4 PRIMARY Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
527-4643400 Naval Ship Systems Command (USA)
87515-0301 ITEM 3 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
6910-01-301-9279INTERCHANGEABLE
METHYL CELLULOSE,CASUALTY SIMULA
800-228
5330-01-485-9051INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
30914

Frequently Asked Questions

What is NSN 4730-01-089-8871?

NSN 4730-01-089-8871 is a Plug,pipe, manufactured by Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-089-8871?

NSN 4730-01-089-8871 has 5 cross-referenced part numbers: 527-4643400 ITEM 3 (Naval Ship Systems Command), B16.11 (American National Standards Institute Incorporated Dba American National Standards Institute), 309 1-4 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), 527-4643400 (Naval Ship Systems Command), 87515-0301 ITEM 3 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4730-01-089-8871?

There are 2 known substitutes for 4730-01-089-8871: 6910-01-301-9279, 5330-01-485-9051. Verify interchangeability with system specifications before substitution.

What are the specifications of 309 1-4?

Key specifications for 309 1-4: Drive End Style: RAISED SQUARE; Body Type: SOLID; Material: STEEL OVERALL; Thread Series Designator: NPT EXTERNAL. 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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