PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

386SIZE1 1-4INCHCoupling,pipe

Crane Co Div Valve Div · NSN 4730-00-187-7573 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-187-7573 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-187-7573. Primary manufacturer part number: 386SIZE1 1-4INCH.
Features
  • Coupling,pipe — FSC 4730
  • Maximum Operating Temp: 98.6 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Specification/standard Data: 96906-MS14304 GOVERNMENT STANDARD AND 80204-B16.11 GOVERNMENT STANDARD
  • Nondefinitive Spec/std Data: 6 TABLE
  • Nominal Thread Size: 1.250 INCHES ALL ENDS IN
  • Material: STEEL OR IRON OVERALL
  • Nominal Thread Size: 1.250 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel or Iron Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-187-7573, 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 Crane Co Div Valve Div. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-187-7573
Primary Part Number386SIZE1 1-4INCH
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusCANCELLED
Maximum Operating Temp98.6 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StylePLAIN (PIPE) ALL ENDS
Specification/standard Data96906-MS14304 GOVERNMENT STANDARD AND 80204-B16.11 GOVERNMENT STANDARD
Nondefinitive Spec/std Data6 TABLE
Nominal Thread Size1.250 INCHES ALL ENDS IN
MaterialSTEEL OR IRON OVERALL
Nominal Thread Size1.250 INCHES ALL ENDS IN
Style DesignatorTHREADED INTERNAL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
Material Document and ClassificationASTM A181,GR 2 ASSN STD 1ST MATERIAL RESPONSE OVERALL
Specification/standard Data96906-MS14304 GOVERNMENT STANDARD AND 80204-B16.11 GOVERNMENT STANDARD
MaterialSTEEL OR IRON OVERALL
Material Document and ClassificationASTM A181,GR 2 ASSN STD 1ST MATERIAL RESPONSE OVERALL
Nominal Overall Length2.820 INCHES IN
Nominal Overall Length2.820 INCHES IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorTHREADED INTERNAL
Media for Which DesignedWATER-OIL-GAS FIRST RESPONSE
Media for Which DesignedAIR SECOND RESPONSE
Media for Which DesignedAIR SECOND RESPONSE
Nondefinitive Spec/std Data6 TABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-00-187-7576 INTERCHANGEABLE
Coupling,pipe
Cross-Reference Index
Part NumberManufacturer
386SIZE1 1-4INCH Crane Co Div Valve Div (USA)
ASME-B16.11 The American Society of Mechanical Engineers (USA)
516-4510941-52 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS14304 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
3Q1186C Standard Mfg Co Inc (USA)
MS14304-1C20 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
CATAL0G49FIG386 Crane Co Div Valve Div (USA)
Related Parts
4730-00-187-7576INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4730-00-187-7573?

NSN 4730-00-187-7573 is a Coupling,pipe, manufactured by Crane Co Div Valve Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-187-7573?

NSN 4730-00-187-7573 has 8 cross-referenced part numbers: 386SIZE1 1-4INCH (Crane Co Div Valve Div), ASME-B16.11 (The American Society of Mechanical Engineers), 516-4510941-52 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace), B16.11 (American National Standards Institute Incorporated Dba American National Standards Institute), MS14304 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 4730-00-187-7573?

There is 1 known substitute for 4730-00-187-7573: 4730-00-187-7576. Verify interchangeability with system specifications before substitution.

What are the specifications of 386SIZE1 1-4INCH?

Key specifications for 386SIZE1 1-4INCH: Maximum Operating Temp: 98.6 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: PLAIN (PIPE) ALL ENDS; End Item Identification: USS KITTY HAWK; Specification/standard Data: 96906-MS14304 GOVERNMENT STANDARD AND 80204-B16.11 GOVERNMENT STANDARD. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-187-7573 still in active supply?

NSN 4730-00-187-7573 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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