PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

177452Guide,valve Stem

Marotta Controls Inc · NSN 4820-01-158-7546 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-158-7546 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-158-7546. Primary manufacturer part number: 177452.
Features
  • Guide,valve Stem — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Marotta Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-158-7546, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGuide,valve Stem
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMarotta Controls Inc (CAGE 99657)
Technical Specifications
ParameterValue
NSN4820-01-158-7546
Primary Part Number177452
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarotta Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
1680-00-008-62104F20040-113A INTERCHANGEABLE
Torque Tube Assembly,aircraft
Lockheed Martin Corp
5330-00-064-6992 INTERCHANGEABLE
Packing,preformed
5945-00-944-2748972-1461-000 INTERCHANGEABLE
Relay,electromagnetic
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4820-01-121-9821180114 INTERCHANGEABLE
Piston,valve
Marotta Controls Inc
4820-01-123-5144180313 INTERCHANGEABLE
Disk,valve
Marotta Controls Inc
4820-01-132-1457180324-0093 INTERCHANGEABLE
Seat,valve
Marotta Controls Inc
4820-01-145-5597280039-0011 INTERCHANGEABLE
Valve,safety Relief
Marotta Controls Inc
4820-01-158-7547180116 INTERCHANGEABLE
Guide,valve Stem
Marotta Controls Inc
4820-01-213-1534280039-0026 INTERCHANGEABLE
Valve,safety Relief
Marotta Controls Inc
4820-01-262-3136280039-0007 INTERCHANGEABLE
Valve,safety Relief
Marotta Controls Inc
Cross-Reference Index
Part NumberManufacturer
280039 Marotta Controls Inc (USA)
281539-0001 ITEM NO 11 Marotta Controls Inc (USA)
280039 ITEM 14 PART 177452 Marotta Controls Inc (USA)
177452 PRIMARY Marotta Controls Inc (USA)
Related Parts
1680-00-008-6210INTERCHANGEABLE
TORQUE TUBE ASSEMBLY,AIRCRAFT
4F20040-113A
5330-00-064-6992INTERCHANGEABLE
PACKING,PREFORMED
5945-00-944-2748INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
972-1461-000
4820-01-121-9821INTERCHANGEABLE
PISTON,VALVE
180114
4820-01-123-5144INTERCHANGEABLE
DISK,VALVE
180313
4820-01-132-1457INTERCHANGEABLE
SEAT,VALVE
180324-0093
4820-01-145-5597INTERCHANGEABLE
VALVE,SAFETY RELIEF
280039-0011
4820-01-158-7547INTERCHANGEABLE
GUIDE,VALVE STEM
180116
4820-01-213-1534INTERCHANGEABLE
VALVE,SAFETY RELIEF
280039-0026
4820-01-262-3136INTERCHANGEABLE
VALVE,SAFETY RELIEF
280039-0007
5920-01-291-5502INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 4820-01-158-7546?

NSN 4820-01-158-7546 is a Guide,valve Stem, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-158-7546?

NSN 4820-01-158-7546 has 4 cross-referenced part numbers: 280039 (Marotta Controls Inc), 281539-0001 ITEM NO 11 (Marotta Controls Inc), 280039 ITEM 14 PART 177452 (Marotta Controls Inc), 177452 (Marotta Controls Inc).

What NSN replaces 4820-01-158-7546?

There are 11 known substitutes for 4820-01-158-7546: 1680-00-008-6210, 5330-00-064-6992, 5945-00-944-2748 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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