PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SW1931 1INCHUnion,pipe

Flowserve Inc · NSN 4730-00-841-9562 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-841-9562 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-841-9562. Primary manufacturer part number: SW1931 1INCH.
Features
  • Union,pipe — FSC 4730
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE XS FIRST END
  • Reducer Type: CONCENTRIC
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Maximum Operating Temp: 37.8 CELSIUS SINGLE RESPONSE DEGC
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Seat Type: GROUND-JOINT
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-841-9562, 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 Flowserve Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-841-9562
Primary Part NumberSW1931 1INCH
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Pipe Wall Thickness Designation for Which DesignedSCHEDULE XS FIRST END
Reducer TypeCONCENTRIC
Connection StyleSOCKET (PIPE) ALL ENDS
Maximum Operating Temp37.8 CELSIUS SINGLE RESPONSE DEGC
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Seat TypeGROUND-JOINT
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
MaterialSTEEL OVERALL
Nominal Overall Length2.440 INCHES IN
Material Document and ClassificationASTM A105,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Coupling Flange ShapeHEXAGON
Style DesignatorSCREWED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-731-9172 INTERCHANGEABLE
Gasket
4730-00-822-4775 INTERCHANGEABLE
Union,pipe
4730-01-023-7729SW-1931 1/2IN INTERCHANGEABLE
Union,pipe
Flowserve Inc
Cross-Reference Index
Part NumberManufacturer
B2225 Flowserve Inc (USA)
MSS SP-83 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
SW1931 1INCH PRIMARY Flowserve Inc (USA)
Related Parts
5330-00-731-9172INTERCHANGEABLE
GASKET
4730-00-822-4775INTERCHANGEABLE
UNION,PIPE
4730-01-023-7729INTERCHANGEABLE
UNION,PIPE
SW-1931 1/2IN

Frequently Asked Questions

What is NSN 4730-00-841-9562?

NSN 4730-00-841-9562 is a Union,pipe, manufactured by Flowserve Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-841-9562?

NSN 4730-00-841-9562 has 3 cross-referenced part numbers: B2225 (Flowserve Inc), MSS SP-83 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), SW1931 1INCH (Flowserve Inc).

What NSN replaces 4730-00-841-9562?

There are 3 known substitutes for 4730-00-841-9562: 5330-00-731-9172, 4730-00-822-4775, 4730-01-023-7729. Verify interchangeability with system specifications before substitution.

What are the specifications of SW1931 1INCH?

Key specifications for SW1931 1INCH: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Pipe Wall Thickness Designation for Which Designed: SCHEDULE XS FIRST END; Reducer Type: CONCENTRIC; Connection Style: SOCKET (PIPE) ALL ENDS. 14 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