PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P1.25Coupling,pipe

Piedmont Pacific Corp · NSN 4730-01-664-2295 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-664-2295 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-664-2295. Primary manufacturer part number: P1.25.
Features
  • Coupling,pipe — FSC 4730
  • Nominal Length: 4.11 INCHES ALL ENDS IN
  • Mounting End Type: FLAT
  • Operating Pressure: 250.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Thickness: 1.82 INCHES ALL ENDS IN
  • Style Designator: COMPRESSION CLAMP TYPE (FLEXMASTER)
  • Nominal Overall Length: 4.11 INCHES IN
  • Flange Shape: ROUND ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-664-2295, 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. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-01-664-2295
Primary Part NumberP1.25
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPiedmont Pacific Corp
StatusACTIVE
Nominal Length4.11 INCHES ALL ENDS IN
Mounting End TypeFLAT
Operating Pressure250.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thickness1.82 INCHES ALL ENDS IN
Style DesignatorCOMPRESSION CLAMP TYPE (FLEXMASTER)
Nominal Overall Length4.11 INCHES IN
Flange ShapeROUND ALL ENDS
Coupling Flange ShapeROUND
Nominal Thread Size1.25 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5925-00-227-03861532194 INTERCHANGEABLE
Circuit Breaker
Westinghouse Electric Corp
5920-00-280-4438 INTERCHANGEABLE
Fuse,cartridge
3040-00-880-1230P1-25 INTERCHANGEABLE
Follower,cam
Roller Bearing Co of America, Inc Div Pic Design
5310-01-376-6686P-125 INTERCHANGEABLE
Nut,self-Locking,cap
Alfred Conhagen, Inc.
4820-01-383-7014MS-4 INTERCHANGEABLE
Valve,check
Oasis Construction Div Supply Nurses
6625-01-440-7858P-12-5 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
3770-01-575-7596P125 INTERCHANGEABLE
Sleeve,obstetrical,veterinary
Neogen Corp
5905-01-688-3893P125 INTERCHANGEABLE
Resistor,chip,fixed,film
Lockheed Martin Corporation Div Rms
Cross-Reference Index
Part NumberManufacturer
P1.25 PRIMARY Piedmont Pacific Corp (USA)
Related Parts
5925-00-227-0386INTERCHANGEABLE
CIRCUIT BREAKER
1532194
5920-00-280-4438INTERCHANGEABLE
FUSE,CARTRIDGE
3040-00-880-1230INTERCHANGEABLE
FOLLOWER,CAM
P1-25
5310-01-376-6686INTERCHANGEABLE
NUT,SELF-LOCKING,CAP
P-125
4820-01-383-7014INTERCHANGEABLE
VALVE,CHECK
MS-4
6625-01-440-7858INTERCHANGEABLE
LEAD,TEST
P-12-5
3770-01-575-7596INTERCHANGEABLE
SLEEVE,OBSTETRICAL,VETERINARY
P125
5905-01-688-3893INTERCHANGEABLE
RESISTOR,CHIP,FIXED,FILM
P125

Frequently Asked Questions

What is NSN 4730-01-664-2295?

NSN 4730-01-664-2295 is a Coupling,pipe, manufactured by Piedmont Pacific Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-664-2295?

NSN 4730-01-664-2295 has 1 cross-referenced part number: P1.25 (Piedmont Pacific Corp).

What NSN replaces 4730-01-664-2295?

There are 8 known substitutes for 4730-01-664-2295: 5925-00-227-0386, 5920-00-280-4438, 3040-00-880-1230 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P1.25?

Key specifications for P1.25: Nominal Length: 4.11 INCHES ALL ENDS IN; Mounting End Type: FLAT; Operating Pressure: 250.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thickness: 1.82 INCHES ALL ENDS IN. 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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