PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01844-01Seat,valve

The Oilgear Company Dba Jiffy Lube 213 Div Oilgear · NSN 4820-01-032-1398 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-032-1398 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-032-1398. Primary manufacturer part number: 01844-01.
Features
  • Seat,valve — FSC 4820
  • Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN
  • Flange Diameter: 2.837 INCHES NOMINAL IN
  • Under Flange Height: 1.810 INCHES NOMINAL IN
  • Seat Angle in Deg: 45.000 NOMINAL
  • Material: STEEL OVERALL
  • Seating Surface Shape: ANGULAR
  • Style Designator: PLAIN FLANGED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-032-1398, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Oilgear Company Dba Jiffy Lube 213 Div Oilgear. Government technical data includes 9 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-032-1398
Primary Part Number01844-01
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Oilgear Company Dba Jiffy Lube 213 Div Oilgear
StatusACTIVE
Flange Seat to Disk End Height0.250 INCHES NOMINAL IN
Flange Diameter2.837 INCHES NOMINAL IN
Under Flange Height1.810 INCHES NOMINAL IN
Seat Angle in Deg45.000 NOMINAL
MaterialSTEEL OVERALL
Seating Surface ShapeANGULAR
Style DesignatorPLAIN FLANGED
Body Inside Diameter2.120 INCHES NOMINAL IN
Body Outside Diameter2.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4920-00-485-689818441 INTERCHANGEABLE
Compensator and Pin Assembly
Elbitamerica, Inc.
3120-00-618-1851LS3859-10-15 INTERCHANGEABLE
Bushing,sleeve
Lockheed Martin Corp
5935-01-028-04232439305-4 INTERCHANGEABLE
Connector,plug,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5330-01-548-261330-0116 INTERCHANGEABLE
Gasket
Parker Hannifin Corporation Div Village Marine Tech
7520-01-555-340418441 INTERCHANGEABLE
Stylus,duplicating Stencil
Elbitamerica, Inc.
7050-01-602-934802-2801227-1 INTERCHANGEABLE
Stylus,digital Computer System
General Dynamics Mission Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
1844-1 Olmsted Products Company Llc (USA)
LL702PC3 Vickers Inc (USA)
01844-01 PRIMARY The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA)
01844-01 Olmsted Products Company Llc (USA)
Related Parts
4920-00-485-6898INTERCHANGEABLE
COMPENSATOR AND PIN ASSEMBLY
18441
3120-00-618-1851INTERCHANGEABLE
BUSHING,SLEEVE
LS3859-10-15
5935-01-028-0423INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2439305-4
5330-01-548-2613INTERCHANGEABLE
GASKET
30-0116
7520-01-555-3404INTERCHANGEABLE
STYLUS,DUPLICATING STENCIL
18441
7050-01-602-9348INTERCHANGEABLE
STYLUS,DIGITAL COMPUTER SYSTEM
02-2801227-1

Frequently Asked Questions

What is NSN 4820-01-032-1398?

NSN 4820-01-032-1398 is a Seat,valve, manufactured by The Oilgear Company Dba Jiffy Lube 213 Div Oilgear, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-032-1398?

NSN 4820-01-032-1398 has 4 cross-referenced part numbers: 1844-1 (Olmsted Products Company Llc), LL702PC3 (Vickers Inc), 01844-01 (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear), 01844-01 (Olmsted Products Company Llc).

What NSN replaces 4820-01-032-1398?

There are 6 known substitutes for 4820-01-032-1398: 4920-00-485-6898, 3120-00-618-1851, 5935-01-028-0423 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01844-01?

Key specifications for 01844-01: Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN; Flange Diameter: 2.837 INCHES NOMINAL IN; End Item Identification: OLMSTED PRODUCTS DIV,DOUBLE A PRODUCTS CO CHECK VALVE MDL CSP20-A03; Under Flange Height: 1.810 INCHES NOMINAL IN. 10 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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