PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11308388Tailpiece,union

Ballistic Missile Defense Systems Command · NSN 4730-00-159-8311 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-159-8311 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-159-8311. Primary manufacturer part number: 11308388.
Features
  • Tailpiece,union — FSC 4730
  • Tubing Outside Diameter: 1.128 INCHES MINIMUM AND 1.131 INCHES MAXIMUM IN
  • Seat Type: BALL
  • End Connection Type: SWEAT SOLDER
  • Seat Type: BALL
  • Seat Radius: 0.500 INCHES NOMINAL IN
  • Flange Thickness: 0.160 INCHES NOMINAL IN
  • Flange Outside Diameter: 1.810 INCHES NOMINAL IN
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Tailpiece,union, cataloged under National Stock Number 4730-00-159-8311, 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 Ballistic Missile Defense Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-159-8311
Primary Part Number11308388
Item NameTailpiece,union
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBallistic Missile Defense Systems Command
StatusACTIVE
Tubing Outside Diameter1.128 INCHES MINIMUM AND 1.131 INCHES MAXIMUM IN
Seat TypeBALL
End Connection TypeSWEAT SOLDER
Seat TypeBALL
Seat Radius0.500 INCHES NOMINAL IN
Flange Thickness0.160 INCHES NOMINAL IN
Flange Outside Diameter1.810 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-859-7927A3094 INTERCHANGEABLE
Transformer,power
Data Device Corp Dba Beta Transformer Technology
5961-00-934-2999 INTERCHANGEABLE
Transistor
5330-01-200-7549A3094 INTERCHANGEABLE
Gasket
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
Cross-Reference Index
Part NumberManufacturer
11308388 Ballistic Missile Defense Systems Command (USA)
A3094 Mueller Brass Co. (USA)
Related Parts
5950-00-859-7927INTERCHANGEABLE
TRANSFORMER,POWER
A3094
5961-00-934-2999INTERCHANGEABLE
TRANSISTOR
5330-01-200-7549INTERCHANGEABLE
GASKET
A3094

Frequently Asked Questions

What is NSN 4730-00-159-8311?

NSN 4730-00-159-8311 is a Tailpiece,union, manufactured by Ballistic Missile Defense Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-159-8311?

NSN 4730-00-159-8311 has 2 cross-referenced part numbers: 11308388 (Ballistic Missile Defense Systems Command), A3094 (Mueller Brass Co.).

What NSN replaces 4730-00-159-8311?

There are 3 known substitutes for 4730-00-159-8311: 5950-00-859-7927, 5961-00-934-2999, 5330-01-200-7549. Verify interchangeability with system specifications before substitution.

What are the specifications of 11308388?

Key specifications for 11308388: Tubing Outside Diameter: 1.128 INCHES MINIMUM AND 1.131 INCHES MAXIMUM IN; Seat Type: BALL; End Connection Type: SWEAT SOLDER; Special Features: FITTING DESIGN 90 DEG ANGLE. 9 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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