PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D2.5Nipple,pipe

Piedmont Pacific Corp · NSN 4730-01-589-1694 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-589-1694 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-589-1694. Primary manufacturer part number: D2.5.
Features
  • Nipple,pipe — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Piedmont Pacific Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-01-589-1694, 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 Piedmont Pacific Corp. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-589-1694
Primary Part NumberD2.5
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPiedmont Pacific Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-8544E25 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
5975-00-235-52092FLEXIDUCT INTERCHANGEABLE
Raceway,nonmetallic
Geist Manufacturing Inc
4330-01-230-1262D25 INTERCHANGEABLE
Filter Element,fluid
Schroeder Industries Llc
6515-01-271-4894D-25 INTERCHANGEABLE
Sensor,oxygen Monitoring
Mallinckrodt Inc Anesthesia Products
4440-01-320-1569 INTERCHANGEABLE
Dehydrator Unit,nonreactivating
2090-01-589-1689 INTERCHANGEABLE
Bladder,accumulator,hydraulic
5340-01-589-1693905-26 INTERCHANGEABLE
Cover,access
Blacoh Fluid Controls Inc
4730-01-589-1698D2.0 INTERCHANGEABLE
Coupling,pipe
Piedmont Pacific Corp
Cross-Reference Index
Part NumberManufacturer
D2.5 PRIMARY Piedmont Pacific Corp (USA)
8417737 Naval Sea Systems Command (USA)
531-8417737 SHEET 6 ITEM F-10 Naval Sea Systems Command (USA)
Related Parts
3110-00-100-8544INTERCHANGEABLE
BEARING,BALL,THRUST
E25
5975-00-235-5209INTERCHANGEABLE
RACEWAY,NONMETALLIC
2FLEXIDUCT
4330-01-230-1262INTERCHANGEABLE
FILTER ELEMENT,FLUID
D25
6515-01-271-4894INTERCHANGEABLE
SENSOR,OXYGEN MONITORING
D-25
4440-01-320-1569INTERCHANGEABLE
DEHYDRATOR UNIT,NONREACTIVATING
2090-01-589-1689INTERCHANGEABLE
BLADDER,ACCUMULATOR,HYDRAULIC
5340-01-589-1693INTERCHANGEABLE
COVER,ACCESS
905-26
4730-01-589-1698INTERCHANGEABLE
COUPLING,PIPE
D2.0

Frequently Asked Questions

What is NSN 4730-01-589-1694?

NSN 4730-01-589-1694 is a Nipple,pipe, manufactured by Piedmont Pacific Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-589-1694?

NSN 4730-01-589-1694 has 3 cross-referenced part numbers: D2.5 (Piedmont Pacific Corp), 8417737 (Naval Sea Systems Command), 531-8417737 SHEET 6 ITEM F-10 (Naval Sea Systems Command).

What NSN replaces 4730-01-589-1694?

There are 8 known substitutes for 4730-01-589-1694: 3110-00-100-8544, 5975-00-235-5209, 4330-01-230-1262 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D2.5?

Key specifications for D2.5: Part Name Assigned by Controlling Agency: PIEDMENT PIPE COUPLING, SS 2.5 IN. NPS IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com