PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NM1224-1Poppet Assembly,valve

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4820-01-085-7411 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-085-7411 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-085-7411. Primary manufacturer part number: NM1224-1.
Features
  • Poppet Assembly,valve — FSC 4820
  • General Characteristics Item Description: METALLIC PER MIL-STD-271; FOR 10 IN.,600 LB,OIL OPERATED MAIN STEAM ROOT VALVE LBS
  • 9 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Poppet Assembly,valve, cataloged under National Stock Number 4820-01-085-7411, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-085-7411
Primary Part NumberNM1224-1
Item NamePoppet Assembly,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
General Characteristics Item DescriptionMETALLIC PER MIL-STD-271; FOR 10 IN.,600 LB,OIL OPERATED MAIN STEAM ROOT VALVE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5315-00-276-57287005041 INTERCHANGEABLE
Pin,straight,headed
U S Army Tank Automotive Command Amsta-Im-Mm
4820-00-996-1132572029 INTERCHANGEABLE
Spool,hydraulic Val
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5330-01-086-44624615SH959M INTERCHANGEABLE
Ring,wiper
Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)
4820-01-086-8703NL2111-1 INTERCHANGEABLE
Cup,locking
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
3040-01-087-129473769 INTERCHANGEABLE
Ring,piston
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4820-01-092-889373689-1 INTERCHANGEABLE
Retainer Assembly,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4820-01-093-648573405 ITEM 49 INTERCHANGEABLE
Cup,locking
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5305-01-121-255473405 ITEM 43 INTERCHANGEABLE
Screw,shoulder,valv
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4810-01-190-3624 INTERCHANGEABLE
Coupling,valve
6515-01-466-2713R-734-05 INTERCHANGEABLE
Traction Apparatus,orthopedic
Allen Medical Systems Inc
Cross-Reference Index
Part NumberManufacturer
NM1224-1 Dresser-Rand Company (USA)
NM1224-1 Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
NM1224-1 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
PL73405-59 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
73405 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
NM1224-1 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
73405-5 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
73687-1 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
73405-59 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
5315-00-276-5728INTERCHANGEABLE
PIN,STRAIGHT,HEADED
7005041
4820-00-996-1132INTERCHANGEABLE
SPOOL,HYDRAULIC VAL
572029
5330-01-086-4462INTERCHANGEABLE
RING,WIPER
4615SH959M
4820-01-086-8703INTERCHANGEABLE
CUP,LOCKING
NL2111-1
3040-01-087-1294INTERCHANGEABLE
RING,PISTON
73769
4820-01-092-8893INTERCHANGEABLE
RETAINER ASSEMBLY,VALVE
73689-1
4820-01-093-6485INTERCHANGEABLE
CUP,LOCKING
73405 ITEM 49
5305-01-121-2554INTERCHANGEABLE
SCREW,SHOULDER,VALV
73405 ITEM 43
4810-01-190-3624INTERCHANGEABLE
COUPLING,VALVE
6515-01-466-2713INTERCHANGEABLE
TRACTION APPARATUS,ORTHOPEDIC
R-734-05

Frequently Asked Questions

What is NSN 4820-01-085-7411?

NSN 4820-01-085-7411 is a Poppet Assembly,valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-085-7411?

NSN 4820-01-085-7411 has 9 cross-referenced part numbers: NM1224-1 (Dresser-Rand Company), NM1224-1 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), NM1224-1 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), PL73405-59 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 73405 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator) and 4 more.

What NSN replaces 4820-01-085-7411?

There are 10 known substitutes for 4820-01-085-7411: 5315-00-276-5728, 4820-00-996-1132, 5330-01-086-4462 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NM1224-1?

Key specifications for NM1224-1: General Characteristics Item Description: METALLIC PER MIL-STD-271; FOR 10 IN.,600 LB,OIL OPERATED MAIN STEAM ROOT VALVE LBS. 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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