PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0125-SW1RSFlange,pipe

Dansway Incorporated · NSN 4730-00-256-8586 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-256-8586 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-256-8586. Primary manufacturer part number: 0125-SW1RS.
Features
  • Flange,pipe — FSC 4730
  • Neck Height: 0.312 INCHES NOMINAL IN
  • Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
  • Nominal Pipe Size for Which Designed: 1.250 INCHES IN
  • Bolt Hole Quantity: 4
  • Nominal Thread Size: 1.250 INCHES IN
  • Material: IRON
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-256-8586, 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 Dansway Incorporated. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-256-8586
Primary Part Number0125-SW1RS
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDansway Incorporated
StatusACTIVE
Neck Height0.312 INCHES NOMINAL IN
Bolt Hole Diameter0.562 INCHES NOMINAL IN
Nominal Pipe Size for Which Designed1.250 INCHES IN
Bolt Hole Quantity4
Nominal Thread Size1.250 INCHES IN
MaterialIRON
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Operating Pressure and Type100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Bolt Circle Diameter3.375 INCHES NOMINAL IN
Screw Thread Series DesignatorNPT
Thread Quantity Per Inch11-1/2
Flange Section StylePLAIN FACE, RAISED NECK
Face Seating Surface ConditionMACHINED
Thickness0.438 INCHES NOMINAL IN
Flange Diameter4.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-752-9527 INTERCHANGEABLE
Valve,stop-Lift-Check
6105-00-836-2661 INTERCHANGEABLE
Motor,alternating Current
5330-00-928-2411 INTERCHANGEABLE
Seal,plain Encased
5360-01-127-028033303 INTERCHANGEABLE
Spring,outer
Huck International, Inc. Div Kingston Operations
4820-01-554-0912803-2177525-C1B1AF INTERCHANGEABLE
Valve,angle
Naval Ship Systems Command
6515-01-562-415833303 INTERCHANGEABLE
Catheter,urethral External Male,
Rochester Medical Corporation
6630-01-591-49823330-3 INTERCHANGEABLE
Tam Start Up Kit
Ta Instruments - Waters L.l.c.
Cross-Reference Index
Part NumberManufacturer
8701184-01 Alfa Laval Inc (USA)
11JC5224-184 Aurora Pump a Unit of General Signal Corp (USA)
0125-SW1RS PRIMARY Dansway Incorporated (USA)
33303 Alfa Laval Inc (USA)
3305840 Hatch & Kirk, Inc. (USA)
3305840 General Motors Corp Electro-Motive Div (USA)
Related Parts
4820-00-752-9527INTERCHANGEABLE
VALVE,STOP-LIFT-CHECK
6105-00-836-2661INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5330-00-928-2411INTERCHANGEABLE
SEAL,PLAIN ENCASED
5360-01-127-0280INTERCHANGEABLE
SPRING,OUTER
33303
4820-01-554-0912INTERCHANGEABLE
VALVE,ANGLE
803-2177525-C1B1AF
6515-01-562-4158INTERCHANGEABLE
CATHETER,URETHRAL EXTERNAL MALE,
33303
6630-01-591-4982INTERCHANGEABLE
TAM START UP KIT
3330-3

Frequently Asked Questions

What is NSN 4730-00-256-8586?

NSN 4730-00-256-8586 is a Flange,pipe, manufactured by Dansway Incorporated, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-256-8586?

NSN 4730-00-256-8586 has 6 cross-referenced part numbers: 8701184-01 (Alfa Laval Inc), 11JC5224-184 (Aurora Pump a Unit of General Signal Corp), 0125-SW1RS (Dansway Incorporated), 33303 (Alfa Laval Inc), 3305840 (Hatch & Kirk, Inc.) and 1 more.

What NSN replaces 4730-00-256-8586?

There are 7 known substitutes for 4730-00-256-8586: 4820-00-752-9527, 6105-00-836-2661, 5330-00-928-2411 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0125-SW1RS?

Key specifications for 0125-SW1RS: Neck Height: 0.312 INCHES NOMINAL IN; Bolt Hole Diameter: 0.562 INCHES NOMINAL IN; Nominal Pipe Size for Which Designed: 1.250 INCHES IN; Bolt Hole Quantity: 4. 15 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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