PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11057-001-103Seat,valve

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-247-3108 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-247-3108 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-247-3108. Primary manufacturer part number: 11057-001-103.
Features
  • Seat,valve — FSC 4820
  • Style Designator: DOUBLE FLANGED
  • Material: STEEL CORROSION RESISTING SEAT
  • Body Inside Diameter: 1.289 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-247-3108, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-247-3108
Primary Part Number11057-001-103
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Style DesignatorDOUBLE FLANGED
MaterialSTEEL CORROSION RESISTING SEAT
Body Inside Diameter1.289 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-462-6100544815-1 INTERCHANGEABLE
Connector,receptacle,electrical
Raytheon Company Dba Raytheon
4330-00-884-9299PLS-614 INTERCHANGEABLE
Filter Element,fluid
North American Filter Corp Refilco Div
5310-01-014-4279A1809PJ INTERCHANGEABLE
Washer,flat
Hunt Valve Company, Inc.
4730-01-210-960925675-32-32D INTERCHANGEABLE
Adapter,straight,hose to Boss
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
8455-01-600-4712 INTERCHANGEABLE
Tab,shoulder Sleeve Insignia
8455-01-600-4713 INTERCHANGEABLE
Tab,shoulder Sleeve Insignia
Cross-Reference Index
Part NumberManufacturer
11057-001-103 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A-1809 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A11057 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5935-00-462-6100INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
544815-1
4330-00-884-9299INTERCHANGEABLE
FILTER ELEMENT,FLUID
PLS-614
5310-01-014-4279INTERCHANGEABLE
WASHER,FLAT
A1809PJ
4730-01-210-9609INTERCHANGEABLE
ADAPTER,STRAIGHT,HOSE TO BOSS
25675-32-32D
8455-01-600-4712INTERCHANGEABLE
TAB,SHOULDER SLEEVE INSIGNIA
8455-01-600-4713INTERCHANGEABLE
TAB,SHOULDER SLEEVE INSIGNIA

Frequently Asked Questions

What is NSN 4820-01-247-3108?

NSN 4820-01-247-3108 is a Seat,valve, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-247-3108?

NSN 4820-01-247-3108 has 3 cross-referenced part numbers: 11057-001-103 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A-1809 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A11057 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-247-3108?

There are 6 known substitutes for 4820-01-247-3108: 5935-00-462-6100, 4330-00-884-9299, 5310-01-014-4279 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11057-001-103?

Key specifications for 11057-001-103: Style Designator: DOUBLE FLANGED; Material: STEEL CORROSION RESISTING SEAT; Overall Height: 0.810 INCHES NOMINAL IN; Body Inside Diameter: 1.289 INCHES NOMINAL IN. 4 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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