PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-387Coupling,tube

Mueller Brass Co Sub of Sharon Steel Corp an Nvf Co · NSN 4730-00-814-5268 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-814-5268 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-814-5268. Primary manufacturer part number: A-387.
Features
  • Coupling,tube — FSC 4730
  • Nominal Overall Length: 1.440 INCHES IN
  • Furnished Items and Quantity: 2 GASKET
  • Seat Angle: 45.0 DEGREES ALL ENDS
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Material: COPPER ALLOY OVERALL
  • Thread Class: 2B ALL ENDS
  • Thread Series Designator: UNF ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-00-814-5268, 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 Sub of Sharon Steel Corp an Nvf Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN4730-00-814-5268
Primary Part NumberA-387
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co Sub of Sharon Steel Corp an Nvf Co
StatusACTIVE
Nominal Overall Length1.440 INCHES IN
Furnished Items and Quantity2 GASKET
Seat Angle45.0 DEGREES ALL ENDS
Connection StyleFLARED (TUBE) ALL ENDS
MaterialCOPPER ALLOY OVERALL
Thread Class2B ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Connection TypeTHREADED INTERNAL TUBE ALL ENDS
Style DesignatorPLAIN W/OFFSET GROOVE
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Nominal Thread Size0.750 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-620801-04451-00 INTERCHANGEABLE
Ball,bearing
Marison Industries Inc Barco Div
5330-00-237-7016U48 INTERCHANGEABLE
Gasket
W.w. Grainger, Inc. Div Government Sales Division
5331-00-986-0236 INTERCHANGEABLE
O-Ring
5920-01-039-14833182878 INTERCHANGEABLE
Corona Ball
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1680-01-166-4929 INTERCHANGEABLE
Actuator,electro-Mechanical,line
6520-01-256-5021U-48 INTERCHANGEABLE
Crown,dental,temporary
3m Company Div 3m Espe Div.
6105-01-363-89985N262 INTERCHANGEABLE
Motor,alternating Current
W.w. Grainger, Inc. Div Government Sales Division
Cross-Reference Index
Part NumberManufacturer
U4-8 Mueller Brass Co. (USA)
660FHD-8 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
A-387 PRIMARY Mueller Brass Co Sub of Sharon Steel Corp an Nvf Co (USA)
5-006000025 Sypris Electronics, Llc (USA)
A-387 Mueller Brass Co. (USA)
Related Parts
3110-00-100-6208INTERCHANGEABLE
BALL,BEARING
01-04451-00
5330-00-237-7016INTERCHANGEABLE
GASKET
U48
5331-00-986-0236INTERCHANGEABLE
O-RING
5920-01-039-1483INTERCHANGEABLE
CORONA BALL
3182878
1680-01-166-4929INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
6520-01-256-5021INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
U-48
6105-01-363-8998INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5N262

Frequently Asked Questions

What is NSN 4730-00-814-5268?

NSN 4730-00-814-5268 is a Coupling,tube, manufactured by Mueller Brass Co Sub of Sharon Steel Corp an Nvf Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-814-5268?

NSN 4730-00-814-5268 has 5 cross-referenced part numbers: U4-8 (Mueller Brass Co.), 660FHD-8 (Parker-Hannifin Corp Div Fluid System Connector Division), A-387 (Mueller Brass Co Sub of Sharon Steel Corp an Nvf Co), 5-006000025 (Sypris Electronics, Llc), A-387 (Mueller Brass Co.).

What NSN replaces 4730-00-814-5268?

There are 7 known substitutes for 4730-00-814-5268: 3110-00-100-6208, 5330-00-237-7016, 5331-00-986-0236 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-387?

Key specifications for A-387: Nominal Overall Length: 1.440 INCHES IN; Furnished Items and Quantity: 2 GASKET; Seat Angle: 45.0 DEGREES ALL ENDS; Connection Style: FLARED (TUBE) ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com