PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1143-1Disk,valve

R & D Machine Rafael Anaya Div Defense Logistics Agency · NSN 4820-01-299-5806 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-299-5806 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-299-5806. Primary manufacturer part number: 1143-1.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL COMP 302
  • Material Document and Classification: QQ-S-763, CLASS 302, COND A FED SPEC SINGLE MATERIAL RESPONSE
  • 2 verified cross-references
  • Primary manufacturer: R & D Machine Rafael Anaya Div Defense Logistics Agency
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 302 construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-299-5806, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is R & D Machine Rafael Anaya Div Defense Logistics Agency. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-01-299-5806
Primary Part Number1143-1
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerR & D Machine Rafael Anaya Div Defense Logistics Agency
StatusACTIVE
MaterialSTEEL COMP 302
Material Document and ClassificationQQ-S-763, CLASS 302, COND A FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-160-02929428562 INTERCHANGEABLE
Bearing,roller,needle
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
5133-00-189-9257 INTERCHANGEABLE
Drill,twist
5331-00-238-795474-41 INTERCHANGEABLE
O-Ring
Dresser Industries Inc Leroi Div
5961-00-400-083911-431 INTERCHANGEABLE
Semiconductor Device,diode
Rogerson Kratos
6675-00-470-260883-0056 INTERCHANGEABLE
Target,plumb Bob
Keuffel and Esser Co
5950-00-647-9576 INTERCHANGEABLE
Coil,radio Frequency
5340-01-091-9432ETN2785 INTERCHANGEABLE
Cap,protective,dust and Moisture
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5120-01-203-48821401 11431 INTERCHANGEABLE
Bar,socket Wrench Handle
Abb Inc.
5315-01-342-51071143-1 INTERCHANGEABLE
Pin,shoulder,headless
Hollingsead International, Llc
4240-01-578-610311-431 INTERCHANGEABLE
Headband,goggles
Oakley Inc Dba Oakley Div Oakley Military
Cross-Reference Index
Part NumberManufacturer
1143-1 PRIMARY R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
1140 ITEM 9 R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
Related Parts
3110-00-160-0292INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
9428562
5133-00-189-9257INTERCHANGEABLE
DRILL,TWIST
5331-00-238-7954INTERCHANGEABLE
O-RING
74-41
5961-00-400-0839INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
11-431
6675-00-470-2608INTERCHANGEABLE
TARGET,PLUMB BOB
83-0056
5950-00-647-9576INTERCHANGEABLE
COIL,RADIO FREQUENCY
5340-01-091-9432INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
ETN2785
5120-01-203-4882INTERCHANGEABLE
BAR,SOCKET WRENCH HANDLE
1401 11431
5315-01-342-5107INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
1143-1
4240-01-578-6103INTERCHANGEABLE
HEADBAND,GOGGLES
11-431
5310-01-648-2163INTERCHANGEABLE
WASHER,FLAT
11431
3940-01-654-9748INTERCHANGEABLE
SLING,MULTIPLE LEG
11431

Frequently Asked Questions

What is NSN 4820-01-299-5806?

NSN 4820-01-299-5806 is a Disk,valve, manufactured by R & D Machine Rafael Anaya Div Defense Logistics Agency, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-299-5806?

NSN 4820-01-299-5806 has 2 cross-referenced part numbers: 1143-1 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1140 ITEM 9 (R & D Machine Rafael Anaya Div Defense Logistics Agency).

What NSN replaces 4820-01-299-5806?

There are 12 known substitutes for 4820-01-299-5806: 3110-00-160-0292, 5133-00-189-9257, 5331-00-238-7954 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1143-1?

Key specifications for 1143-1: Material: STEEL COMP 302; Material Document and Classification: QQ-S-763, CLASS 302, COND A FED SPEC SINGLE MATERIAL RESPONSE. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com