PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N11091Diaphragm,actuator Valve,special

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4810-00-389-4579 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-389-4579 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-389-4579. Primary manufacturer part number: N11091.
Features
  • Diaphragm,actuator Valve,special — FSC 4810
  • FSC Application Data: STEAM WHISTLE
  • Material: COPPER ALLOY 510
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 510 construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4810-00-389-4579, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-389-4579
Primary Part NumberN11091
Item NameDiaphragm,actuator Valve,special
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
FSC Application DataSTEAM WHISTLE
MaterialCOPPER ALLOY 510
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-46675203K INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
4730-00-287-0706SAE J530 4-2 130138B INTERCHANGEABLE
Reducer,pipe
Sae International Dba Sae International
3120-00-516-159611091 INTERCHANGEABLE
Bushing,sleeve
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5935-00-536-1752 INTERCHANGEABLE
Connector,receptacle,electrical
6685-00-575-1427TA30000-46N INTERCHANGEABLE
Thermostat,flow Control
Vernatherm Llc
5975-00-782-0803 INTERCHANGEABLE
Chase Nipple,conduit
5950-00-910-93116140026-3 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
5965-01-039-2795 INTERCHANGEABLE
Headset-Microphone
3950-01-112-0948 INTERCHANGEABLE
Power Feed
5315-01-275-6979 INTERCHANGEABLE
Pin,straight,headed
Cross-Reference Index
Part NumberManufacturer
11091 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N11091 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
11091 Med-Valcon Inc Seal Beach Ca (USA)
11091 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
Related Parts
3110-00-156-4667INTERCHANGEABLE
BEARING,BALL,ANNULAR
5203K
4730-00-287-0706INTERCHANGEABLE
REDUCER,PIPE
SAE J530 4-2 130138B
3120-00-516-1596INTERCHANGEABLE
BUSHING,SLEEVE
11091
5935-00-536-1752INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6685-00-575-1427INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
TA30000-46N
5975-00-782-0803INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
5950-00-910-9311INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140026-3
5965-01-039-2795INTERCHANGEABLE
HEADSET-MICROPHONE
3950-01-112-0948INTERCHANGEABLE
POWER FEED
5315-01-275-6979INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5310-01-312-3251INTERCHANGEABLE
NUT,PLAIN,CAP
1109-1
5330-01-429-4854INTERCHANGEABLE
SEAL,PLAIN
K-11091

Frequently Asked Questions

What is NSN 4810-00-389-4579?

NSN 4810-00-389-4579 is a Diaphragm,actuator Valve,special, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-389-4579?

NSN 4810-00-389-4579 has 4 cross-referenced part numbers: 11091 (Leslie Controls, Inc. Dba Leslie Controls Inc), N11091 (Leslie Controls, Inc. Dba Leslie Controls Inc), 11091 (Med-Valcon Inc Seal Beach Ca), 11091 (Lineta Engineering Und Handelsgesell-Schaft Mbh).

What NSN replaces 4810-00-389-4579?

There are 12 known substitutes for 4810-00-389-4579: 3110-00-156-4667, 4730-00-287-0706, 3120-00-516-1596 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N11091?

Key specifications for N11091: FSC Application Data: STEAM WHISTLE; Material: COPPER ALLOY 510. 2 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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