PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58159Float,valve

Spirax Sarco Inc Dba Spirax Sarco · NSN 4820-00-779-2728 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-779-2728 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-779-2728. Primary manufacturer part number: 58159.
Features
  • Float,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Connection Type: THREADED
  • Thread Size and Series/type Designator: 1/4-20 UNIFIED NATIONAL COARSE (UNC)
  • Thread Location: INTERNAL
  • Shape: ROUND
  • System for Which Designed: OPEN
  • Quantity: 1
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Float,valve, cataloged under National Stock Number 4820-00-779-2728, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-00-779-2728
Primary Part Number58159
Item NameFloat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Connection TypeTHREADED
Thread Size and Series/type Designator1/4-20 UNIFIED NATIONAL COARSE (UNC)
Thread LocationINTERNAL
ShapeROUND
System for Which DesignedOPEN
Quantity1
Overall Diameter4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6105-00-070-472858159 INTERCHANGEABLE
Motor-Tachometer Generator
Cae Usa Inc.
3455-00-187-654054-10086 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
2520-00-352-21685-92X INTERCHANGEABLE
Spider,universal Joint,vehicular
Dana Corp Spicer Transmission Div
5955-00-505-3471650309 INTERCHANGEABLE
Oscillator Subassembly
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
6625-00-794-781853554 INTERCHANGEABLE
Indicator,electrical Potential
Fleet Readiness Center Southwest
5331-00-810-74913384 INTERCHANGEABLE
O-Ring
Husco International Inc
5360-01-145-10865-355-4 INTERCHANGEABLE
Spring
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Cross-Reference Index
Part NumberManufacturer
58159 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
53554 Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
6105-00-070-4728INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
58159
3455-00-187-6540INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10086
2520-00-352-2168INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
5-92X
5955-00-505-3471INTERCHANGEABLE
OSCILLATOR SUBASSEMBLY
650309
6625-00-794-7818INTERCHANGEABLE
INDICATOR,ELECTRICAL POTENTIAL
53554
5331-00-810-7491INTERCHANGEABLE
O-RING
3384
5360-01-145-1086INTERCHANGEABLE
SPRING
5-355-4

Frequently Asked Questions

What is NSN 4820-00-779-2728?

NSN 4820-00-779-2728 is a Float,valve, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-779-2728?

NSN 4820-00-779-2728 has 2 cross-referenced part numbers: 58159 (Spirax Sarco Inc Dba Spirax Sarco), 53554 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4820-00-779-2728?

There are 7 known substitutes for 4820-00-779-2728: 6105-00-070-4728, 3455-00-187-6540, 2520-00-352-2168 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 58159?

Key specifications for 58159: Material: STEEL CORROSION RESISTING; Connection Type: THREADED; Thread Size and Series/type Designator: 1/4-20 UNIFIED NATIONAL COARSE (UNC); Thread Location: INTERNAL. 8 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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