PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BM11352-171Coupling,pipe

Demarkus Corp Refrigeration Engineering Corp · NSN 4730-00-187-7571 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-187-7571 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-187-7571. Primary manufacturer part number: BM11352-171.
Features
  • Coupling,pipe — FSC 4730
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL OVERALL
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Nondefinitive Spec/std Data: 6 TABLE
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Specification/standard Data: 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
  • Connection Style: PLAIN (PIPE) ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-187-7571, 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 Demarkus Corp Refrigeration Engineering Corp. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-187-7571
Primary Part NumberBM11352-171
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDemarkus Corp Refrigeration Engineering Corp
StatusCANCELLED
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL OVERALL
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Nondefinitive Spec/std Data6 TABLE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Specification/standard Data80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Overall Length2.000 INCHES IN
Style DesignatorTHREADED INTERNAL
MaterialSTEEL OVERALL
Material Document and ClassificationASTM A181,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A182,GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Nominal Thread Size0.750 INCHES ALL ENDS IN
Nondefinitive Spec/std Data6 TABLE
Maximum Operating Temp37.8 CELSIUS SINGLE RESPONSE DEGC
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Specification/standard Data80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
Material Document and ClassificationASTM A181,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A182,GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorNPT ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Nominal Overall Length2.000 INCHES IN
Style DesignatorTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3110-00-100-355326882 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5930-00-644-0110 INTERCHANGEABLE
Boot,dust and Moisture Seal
5950-00-648-24299060276 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5340-01-471-564138634 INTERCHANGEABLE
Mount,resilient,utility
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
BM11352-171 Demarkus Corp Refrigeration Engineering Corp (USA)
MS14304 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS14304-5AQV Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
D-102,047 PART Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
MS14304-1C12 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ASME-B16.11 The American Society of Mechanical Engineers (USA)
B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
386-3-4 Chicago Pneumatic Tool Co (USA)
386-3-4 Chicago Pneumatic Tool Co (USA)
4546K44 Mcmaster-Carr Supply Co (USA)
386 3/4IN Crane Co Div Valve Div (USA)
4513K64 Mcmaster-Carr Supply Co (USA)
386SIZE3-4IN Crane Co Div Valve Div (USA)
Related Parts
3110-00-100-3553INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
26882
5930-00-644-0110INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5950-00-648-2429INTERCHANGEABLE
TRANSFORMER,POWER
9060276
5340-01-471-5641INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
38634

Frequently Asked Questions

What is NSN 4730-00-187-7571?

NSN 4730-00-187-7571 is a Coupling,pipe, manufactured by Demarkus Corp Refrigeration Engineering Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-187-7571?

NSN 4730-00-187-7571 has 13 cross-referenced part numbers: BM11352-171 (Demarkus Corp Refrigeration Engineering Corp), MS14304 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS14304-5AQV (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), D-102,047 PART (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), MS14304-1C12 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 4730-00-187-7571?

There are 4 known substitutes for 4730-00-187-7571: 3110-00-100-3553, 5930-00-644-0110, 5950-00-648-2429 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BM11352-171?

Key specifications for BM11352-171: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL OVERALL; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Nondefinitive Spec/std Data: 6 TABLE. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-187-7571 still in active supply?

NSN 4730-00-187-7571 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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