PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A495Bushing,pipe

Mueller Brass Co. · NSN 4730-00-277-1894 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-1894 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-1894. Primary manufacturer part number: A495.
Features
  • Bushing,pipe — FSC 4730
  • Internal Thread Size: 3/4-14
  • External Screw Thread Series Designator: NPT
  • External Thread Direction: RIGHT-HAND
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 COMPOSITION
  • Internal Thread Direction: RIGHT-HAND
  • Internal Screw Thread Series Designator: NPT
  • Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Bushing,pipe, cataloged under National Stock Number 4730-00-277-1894, 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 Mueller Brass Co.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-1894
Primary Part NumberA495
Item NameBushing,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Internal Thread Size3/4-14
External Screw Thread Series DesignatorNPT
External Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data1 TYPE AND 1 COMPOSITION
Internal Thread DirectionRIGHT-HAND
Internal Screw Thread Series DesignatorNPT
Style DesignatorOUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
MaterialCOPPER ALLOY
External Thread Size1-1/4-11-1/2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-221-4997 INTERCHANGEABLE
Elbow,pipe
4730-00-221-5012 INTERCHANGEABLE
Elbow,pipe
5220-00-546-5515A495 INTERCHANGEABLE
Stator,dummy
Ametek Inc Div Aerospace and Defense
2530-00-734-0237A495 INTERCHANGEABLE
Shaft,pedal
Am General Llc
5905-00-971-4959A495 INTERCHANGEABLE
Resistor,electrical
Sensor Systems, L.l.c. Dba Sensor Systems Llc
5950-01-081-3816240-1998-250 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-01-096-4777 INTERCHANGEABLE
Elbow,pipe
4730-01-197-1989 INTERCHANGEABLE
Elbow,pipe
5910-01-291-2850587R330H02 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4730-01-352-8964 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
A495 Mueller Brass Co. (USA)
ASME B16.15 The American Society of Mechanical Engineers (USA)
60-144-1-1-4X3-4 Phelps Dodge Industries Inc Phelps Dodge Brass Co Div Lee Vrought and Cast Fittings Mill (USA)
MS51847-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
60-144-0223 Phelps Dodge Industries Inc Phelps Dodge Brass Co Div Lee Vrought and Cast Fittings Mill (USA)
WW-P-460 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS14315-15X Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-221-4997INTERCHANGEABLE
ELBOW,PIPE
4730-00-221-5012INTERCHANGEABLE
ELBOW,PIPE
5220-00-546-5515INTERCHANGEABLE
STATOR,DUMMY
A495
2530-00-734-0237INTERCHANGEABLE
SHAFT,PEDAL
A495
5905-00-971-4959INTERCHANGEABLE
RESISTOR,ELECTRICAL
A495
5950-01-081-3816INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-1998-250
4730-01-096-4777INTERCHANGEABLE
ELBOW,PIPE
4730-01-197-1989INTERCHANGEABLE
ELBOW,PIPE
5910-01-291-2850INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
587R330H02
4730-01-352-8964INTERCHANGEABLE
ELBOW,PIPE
4730-01-388-2796INTERCHANGEABLE
PLUG,PIPE
4730-01-464-2880INTERCHANGEABLE
TEE,PIPE
ASMEB16.15 0.250

Frequently Asked Questions

What is NSN 4730-00-277-1894?

NSN 4730-00-277-1894 is a Bushing,pipe, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-1894?

NSN 4730-00-277-1894 has 7 cross-referenced part numbers: A495 (Mueller Brass Co.), ASME B16.15 (The American Society of Mechanical Engineers), 60-144-1-1-4X3-4 (Phelps Dodge Industries Inc Phelps Dodge Brass Co Div Lee Vrought and Cast Fittings Mill), MS51847-15 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 60-144-0223 (Phelps Dodge Industries Inc Phelps Dodge Brass Co Div Lee Vrought and Cast Fittings Mill) and 2 more.

What NSN replaces 4730-00-277-1894?

There are 12 known substitutes for 4730-00-277-1894: 4730-00-221-4997, 4730-00-221-5012, 5220-00-546-5515 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A495?

Key specifications for A495: Internal Thread Size: 3/4-14; External Screw Thread Series Designator: NPT; External Thread Direction: RIGHT-HAND; Nondefinitive Spec/std Data: 1 TYPE AND 1 COMPOSITION. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-1894 still in active supply?

NSN 4730-00-277-1894 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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