PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

188100Rod Indicator,valve

Marotta Controls Inc · NSN 4810-01-073-1548 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-073-1548 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-073-1548. Primary manufacturer part number: 188100.
Features
  • Rod Indicator,valve — FSC 4810
  • General Characteristics Item Description: STEEL,CORROSION RESISTANT AND POLYAMIDE NYLON; 1.755 IN. O/A L; 1ST END EXTERNALLY THD UNC 0.250-20 RH 2A W/NYLON INSERT THREAD LENGTH 1.000 IN.; 2ND END CYLINDRICAL OD 0.250 IN. LENGTH 0.755 IN. W/RECESSED 0.125 IN. HEX WRENCHING FEATURE A
  • 6 verified cross-references
  • Primary manufacturer: Marotta Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Rod Indicator,valve, cataloged under National Stock Number 4810-01-073-1548, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-073-1548
Primary Part Number188100
Item NameRod Indicator,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMarotta Controls Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,CORROSION RESISTANT AND POLYAMIDE NYLON; 1.755 IN. O/A L; 1ST END EXTERNALLY THD UNC 0.250-20 RH 2A W/NYLON INSERT THREAD LENGTH 1.000 IN.; 2ND END CYLINDRICAL OD 0.250 IN. LENGTH 0.755 IN. W/RECESSED 0.125 IN. HEX WRENCHING FEATURE A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-447-9826 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5305-00-450-59371968396 INTERCHANGEABLE
Screw,machine
General Motors Llc Dba General Motors Llc
4810-01-107-2043234673-0001 INTERCHANGEABLE
Spacer Assembly,valve
Marotta Controls Inc
4810-01-107-2084188499-0030 INTERCHANGEABLE
Stem,fluid Valve
Marotta Controls Inc
4820-01-508-45401881-00 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
281506-0001 Marotta Controls Inc (USA)
188100 PRIMARY Marotta Controls Inc (USA)
281506-0001 ITE Marotta Controls Inc (USA)
581506-0001 Marotta Controls Inc (USA)
281506-0001 ITEM NO. 23 Marotta Controls Inc (USA)
581506-0001 ITEM 23 Marotta Controls Inc (USA)
Related Parts
5905-00-447-9826INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5305-00-450-5937INTERCHANGEABLE
SCREW,MACHINE
1968396
4810-01-107-2043INTERCHANGEABLE
SPACER ASSEMBLY,VALVE
234673-0001
4810-01-107-2084INTERCHANGEABLE
STEM,FLUID VALVE
188499-0030
4820-01-508-4540INTERCHANGEABLE
DISK,VALVE
1881-00

Frequently Asked Questions

What is NSN 4810-01-073-1548?

NSN 4810-01-073-1548 is a Rod Indicator,valve, manufactured by Marotta Controls Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-073-1548?

NSN 4810-01-073-1548 has 6 cross-referenced part numbers: 281506-0001 (Marotta Controls Inc), 188100 (Marotta Controls Inc), 281506-0001 ITE (Marotta Controls Inc), 581506-0001 (Marotta Controls Inc), 281506-0001 ITEM NO. 23 (Marotta Controls Inc) and 1 more.

What NSN replaces 4810-01-073-1548?

There are 5 known substitutes for 4810-01-073-1548: 5905-00-447-9826, 5305-00-450-5937, 4810-01-107-2043 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 188100?

Key specifications for 188100: General Characteristics Item Description: STEEL,CORROSION RESISTANT AND POLYAMIDE NYLON; 1.755 IN. O/A L; 1ST END EXTERNALLY THD UNC 0.250-20 RH 2A W/NYLON INSERT THREAD LENGTH 1.000 IN.; 2ND END CYLINDRICAL OD 0.250 IN. LENGTH 0.755 IN. W/RECESSED 0.125 IN. HEX WRENCHING FEATURE A. 1 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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