PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16-11-3-4IN-IPS3000PSI-UNUnion,pipe

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-01-023-7730 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-023-7730 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-023-7730. Primary manufacturer part number: B16-11-3-4IN-IPS3000PSI-UN.
Features
  • Union,pipe — FSC 4730
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN
  • Reducer Type: CONCENTRIC
  • Seat Type: BEVELED
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Style Designator: UNTHREADED
  • Coupling Flange Shape: HEXAGON
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-023-7730, 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 American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-023-7730
Primary Part NumberB16-11-3-4IN-IPS3000PSI-UN
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Connection StyleSOCKET (PIPE) ALL ENDS
Nominal Pipe Size Accommodated0.750 INCHES ALL ENDS IN
Reducer TypeCONCENTRIC
Seat TypeBEVELED
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Style DesignatorUNTHREADED
Coupling Flange ShapeHEXAGON
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Nominal Overall Length2.250 INCHES IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 ALL ENDS
Material Document and ClassificationASTMA105,GRADE 2 ORASTM A181 GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-595-3978 INTERCHANGEABLE
Elbow,pipe
4730-00-840-87241381-1 1-4IN INTERCHANGEABLE
Tee,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-01-022-6010SW503-1-1/4X1/2 INTERCHANGEABLE
Reducer,pipe
Flowserve Inc
4730-01-022-60111390 1-1/4X3/4 INTERCHANGEABLE
Reducer,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-01-022-76051390-2X1-1/4 INTERCHANGEABLE
Reducer,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-01-023-0825B16 11-73 INTERCHANGEABLE
Reducer,pipe
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
B16-11-3-4IN-IPS3000PSI-UN American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B16.11-73 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B16.11 1980 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-595-3978INTERCHANGEABLE
ELBOW,PIPE
4730-00-840-8724INTERCHANGEABLE
TEE,PIPE
1381-1 1-4IN
4730-01-022-6010INTERCHANGEABLE
REDUCER,PIPE
SW503-1-1/4X1/2
4730-01-022-6011INTERCHANGEABLE
REDUCER,PIPE
1390 1-1/4X3/4
4730-01-022-7605INTERCHANGEABLE
REDUCER,PIPE
1390-2X1-1/4
4730-01-023-0825INTERCHANGEABLE
REDUCER,PIPE
B16 11-73

Frequently Asked Questions

What is NSN 4730-01-023-7730?

NSN 4730-01-023-7730 is a Union,pipe, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-023-7730?

NSN 4730-01-023-7730 has 3 cross-referenced part numbers: B16-11-3-4IN-IPS3000PSI-UN (American National Standards Institute Incorporated Dba American National Standards Institute), B16.11-73 (American National Standards Institute Incorporated Dba American National Standards Institute), B16.11 1980 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-01-023-7730?

There are 6 known substitutes for 4730-01-023-7730: 4730-00-595-3978, 4730-00-840-8724, 4730-01-022-6010 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16-11-3-4IN-IPS3000PSI-UN?

Key specifications for B16-11-3-4IN-IPS3000PSI-UN: Connection Style: SOCKET (PIPE) ALL ENDS; Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Reducer Type: CONCENTRIC; Seat Type: BEVELED. 13 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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