PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401-334Reducer,pipe

Tieco Inc · NSN 4730-01-632-2976 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-632-2976 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-632-2976. Primary manufacturer part number: 401-334.
Features
  • Reducer,pipe — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Tieco Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-632-2976, 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 Tieco Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-01-632-2976
Primary Part Number401-334
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTieco Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5306-00-151-1402 INTERCHANGEABLE
Bolt,machine
6220-01-312-203540133 INTERCHANGEABLE
Reflector,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
Part NumberManufacturer
401-334 PRIMARY Tieco Inc (USA)
Related Parts
5306-00-151-1402INTERCHANGEABLE
BOLT,MACHINE
6220-01-312-2035INTERCHANGEABLE
REFLECTOR,LIGHT
40133

Frequently Asked Questions

What is NSN 4730-01-632-2976?

NSN 4730-01-632-2976 is a Reducer,pipe, manufactured by Tieco Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-632-2976?

NSN 4730-01-632-2976 has 1 cross-referenced part number: 401-334 (Tieco Inc).

What NSN replaces 4730-01-632-2976?

There are 2 known substitutes for 4730-01-632-2976: 5306-00-151-1402, 6220-01-312-2035. Verify interchangeability with system specifications before substitution.

What are the specifications of 401-334?

Key specifications for 401-334: Part Name Assigned by Controlling Agency: TEE REDUCING, PVC SCH 40, 3"X3"X3/4". 1 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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