PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

868889Seat,valve

Chrysler Realty Company Llc Dba Daimler Chrysler · NSN 4820-00-741-0880 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-741-0880 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-741-0880. Primary manufacturer part number: 868889.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: ANGULAR
  • Material Document and Classification: M.S. 803 MFR REF SINGLE MATERIAL RESPONSE BODY
  • Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY
  • Style Designator: PLAIN
  • Seat Angle in Deg: 45.000 NOMINAL
  • Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM FACE
  • Material: STEEL BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-741-0880, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-741-0880
Primary Part Number868889
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerChrysler Realty Company Llc Dba Daimler Chrysler
StatusCANCELLED
Seating Surface ShapeANGULAR
Material Document and ClassificationM.S. 803 MFR REF SINGLE MATERIAL RESPONSE BODY
Hardness Rating50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY
Style DesignatorPLAIN
Seat Angle in Deg45.000 NOMINAL
Hardness Rating50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM FACE
MaterialSTEEL BODY
Body Outside Diameter1.525 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN
Body Inside Diameter1.286 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4730-00-328-5198 INTERCHANGEABLE
Adapter,straight,pipe to Tube
2540-00-737-1307A1389 INTERCHANGEABLE
Bracket Horn Asy
Am General Llc
3110-01-017-5565 INTERCHANGEABLE
Ring,bearing,inner
3110-01-103-8877 INTERCHANGEABLE
Ring,bearing,inner
8455-01-665-8308 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-6499 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-6501 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
FRJ553 Eaton Corp Dba Eaton Aerospace Jackson (USA)
7410880 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
868889 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
A1389 Eaton Corporation (USA)
Related Parts
4730-00-328-5198INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2540-00-737-1307INTERCHANGEABLE
BRACKET HORN ASY
A1389
3110-01-017-5565INTERCHANGEABLE
RING,BEARING,INNER
3110-01-103-8877INTERCHANGEABLE
RING,BEARING,INNER
8455-01-665-8308INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-6499INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-6501INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4820-00-741-0880?

NSN 4820-00-741-0880 is a Seat,valve, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-741-0880?

NSN 4820-00-741-0880 has 4 cross-referenced part numbers: FRJ553 (Eaton Corp Dba Eaton Aerospace Jackson), 7410880 (U S Army Tank Automotive Command Amsta-Im-Mm), 868889 (Chrysler Realty Company Llc Dba Daimler Chrysler), A1389 (Eaton Corporation).

What NSN replaces 4820-00-741-0880?

There are 7 known substitutes for 4820-00-741-0880: 4730-00-328-5198, 2540-00-737-1307, 3110-01-017-5565 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 868889?

Key specifications for 868889: Seating Surface Shape: ANGULAR; Material Document and Classification: M.S. 803 MFR REF SINGLE MATERIAL RESPONSE BODY; Overall Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-741-0880 still in active supply?

NSN 4820-00-741-0880 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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