PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5133-1 1/4Union,pipe

Nibco Inc Chemtrol Div · NSN 4730-01-357-1278 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-357-1278 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-357-1278. Primary manufacturer part number: 5133-1 1/4.
Features
  • Union,pipe — FSC 4730
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Style Designator: THREADED
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material: PLASTIC CHLORINATED POLYVINYLCHLORIDE OVERALL
  • 7 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Chlorinated Polyvinylchloride Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-357-1278, 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 Nibco Inc Chemtrol Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN4730-01-357-1278
Primary Part Number5133-1 1/4
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNibco Inc Chemtrol Div
StatusACTIVE
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorTHREADED
Connection StyleSOCKET (PIPE) ALL ENDS
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialPLASTIC CHLORINATED POLYVINYLCHLORIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-394-28390R50VB INTERCHANGEABLE
Valve Assembly
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
2925-00-535-035230077 INTERCHANGEABLE
Harness Assy,front,
Vse Aviation, Inc.
3110-00-542-012038KVTDFS381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3120-00-815-019203-564-2001C INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
1630-01-308-044830077 INTERCHANGEABLE
Lever,hydraulic Brake Valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4730-01-432-063530077 INTERCHANGEABLE
Adapter,straight,tube to Boss
Dionex Corporation
4820-01-506-4509330077-010 INTERCHANGEABLE
O-Ring Retainer L S
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
5330-01-585-796030077 INTERCHANGEABLE
Packing,preformed
Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.
Cross-Reference Index
Part NumberManufacturer
9897-012 Lasco Industries (USA)
5133-1 1/4 PRIMARY Nibco Inc Chemtrol Div (USA)
5133-1 1/4 Nibco Inc (USA)
6826K65 Mcmaster-Carr Supply Co (USA)
05028010 Nibco Inc (USA)
9897-012 George Fischer Sloane, Inc. (USA)
30077 United States Plastic Corp (USA)
Related Parts
4820-00-394-2839INTERCHANGEABLE
VALVE ASSEMBLY
0R50VB
2925-00-535-0352INTERCHANGEABLE
HARNESS ASSY,FRONT,
30077
3110-00-542-0120INTERCHANGEABLE
BEARING,BALL,ANNULAR
38KVTDFS381A
3120-00-815-0192INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
03-564-2001C
1630-01-308-0448INTERCHANGEABLE
LEVER,HYDRAULIC BRAKE VALVE
30077
4730-01-432-0635INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
30077
4820-01-506-4509INTERCHANGEABLE
O-RING RETAINER L S
330077-010
5330-01-585-7960INTERCHANGEABLE
PACKING,PREFORMED
30077

Frequently Asked Questions

What is NSN 4730-01-357-1278?

NSN 4730-01-357-1278 is a Union,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-357-1278?

NSN 4730-01-357-1278 has 7 cross-referenced part numbers: 9897-012 (Lasco Industries), 5133-1 1/4 (Nibco Inc Chemtrol Div), 5133-1 1/4 (Nibco Inc), 6826K65 (Mcmaster-Carr Supply Co), 05028010 (Nibco Inc) and 2 more.

What NSN replaces 4730-01-357-1278?

There are 8 known substitutes for 4730-01-357-1278: 4820-00-394-2839, 2925-00-535-0352, 3110-00-542-0120 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5133-1 1/4?

Key specifications for 5133-1 1/4: Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: THREADED; Connection Style: SOCKET (PIPE) ALL ENDS; Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN. 7 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