PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-14058Plug,fusible

Mueller Brass Co. · NSN 5340-00-493-3719 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-493-3719 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-493-3719. Primary manufacturer part number: A-14058.
Features
  • Plug,fusible — FSC 5340
  • Thread Size and Series/type Designator: 1/8-27 NPT
  • Size Designation: 1/8 INCH IN
  • Usage Location: INSIDE
  • Core Fusing Temp Rating: 283.0 DEG FAHRENHEIT
  • Material: COPPER ALLOY CASING
  • 5 verified cross-references
  • Primary manufacturer: Mueller Brass Co.
Applications
  • Applications requiring Copper Alloy Casing construction
General Description

The Plug,fusible, cataloged under National Stock Number 5340-00-493-3719, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mueller Brass Co.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-493-3719
Primary Part NumberA-14058
Item NamePlug,fusible
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Thread Size and Series/type Designator1/8-27 NPT
Size Designation1/8 INCH IN
Usage LocationINSIDE
Core Fusing Temp Rating283.0 DEG FAHRENHEIT
MaterialCOPPER ALLOY CASING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5340-00-162-8574A14058 INTERCHANGEABLE
Plug,fusible
Mueller Brass Co.
5365-00-203-4352A14058 INTERCHANGEABLE
Plug,machine Thread
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-01-011-1537A-14058 INTERCHANGEABLE
Gasket
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
A-14058 PRIMARY Mueller Brass Co. (USA)
FPA1-8 14058 Mueller Brass Co. (USA)
FPA1-8 14058 Goodrich Corporation Dba Goodrich Corp, a New York Corp (USA)
001-900024 Goodrich Corporation Dba Goodrich Corp, a New York Corp (USA)
FPAA14058A1407 Goodrich Corporation Dba Goodrich Corp, a New York Corp (USA)
Related Parts
5340-00-162-8574INTERCHANGEABLE
PLUG,FUSIBLE
A14058
5365-00-203-4352INTERCHANGEABLE
PLUG,MACHINE THREAD
A14058
5330-01-011-1537INTERCHANGEABLE
GASKET
A-14058

Frequently Asked Questions

What is NSN 5340-00-493-3719?

NSN 5340-00-493-3719 is a Plug,fusible, manufactured by Mueller Brass Co., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-493-3719?

NSN 5340-00-493-3719 has 5 cross-referenced part numbers: A-14058 (Mueller Brass Co.), FPA1-8 14058 (Mueller Brass Co.), FPA1-8 14058 (Goodrich Corporation Dba Goodrich Corp, a New York Corp), 001-900024 (Goodrich Corporation Dba Goodrich Corp, a New York Corp), FPAA14058A1407 (Goodrich Corporation Dba Goodrich Corp, a New York Corp).

What NSN replaces 5340-00-493-3719?

There are 3 known substitutes for 5340-00-493-3719: 5340-00-162-8574, 5365-00-203-4352, 5330-01-011-1537. Verify interchangeability with system specifications before substitution.

What are the specifications of A-14058?

Key specifications for A-14058: Thread Size and Series/type Designator: 1/8-27 NPT; Size Designation: 1/8 INCH IN; Usage Location: INSIDE; Core Fusing Temp Rating: 283.0 DEG FAHRENHEIT. 5 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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