PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28613Stem,retarding Device,valve Brak

Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp · NSN 4820-00-300-0413 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-300-0413 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-300-0413. Primary manufacturer part number: 28613.
Features
  • Stem,retarding Device,valve Brak — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,retarding Device,valve Brak, cataloged under National Stock Number 4820-00-300-0413, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp. This item has 3 commercial cross-references from 2 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
NSN4820-00-300-0413
Primary Part Number28613
Item NameStem,retarding Device,valve Brak
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-356-14134798 INTERCHANGEABLE
Gasket
Cummins Inc.
1680-00-474-1281 INTERCHANGEABLE
Control Box Assy
9340-01-181-6203W-015-A INTERCHANGEABLE
Window,observation
Clark-Reliance Llc Dba Jacoby-Tarbox
4730-01-295-70802861-3 INTERCHANGEABLE
Plug,pipe
Honeywell International Inc Dba Honeywell Div Consumer Products Group
4820-01-299-9508625130H INTERCHANGEABLE
Seat,valve
Mc Farland Pump Co Llc
1560-01-625-823728613 INTERCHANGEABLE
Latch Assembly,aircraft
Midcoast Aviation Inc
Cross-Reference Index
Part NumberManufacturer
QT538 Eaton Aerospace, Llc Dba Jackson South (USA)
QT538 Eaton Aerospace, Llc Dba Jackson South (USA)
28613 PRIMARY Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
Related Parts
5330-00-356-1413INTERCHANGEABLE
GASKET
4798
1680-00-474-1281INTERCHANGEABLE
CONTROL BOX ASSY
9340-01-181-6203INTERCHANGEABLE
WINDOW,OBSERVATION
W-015-A
4730-01-295-7080INTERCHANGEABLE
PLUG,PIPE
2861-3
4820-01-299-9508INTERCHANGEABLE
SEAT,VALVE
625130H
1560-01-625-8237INTERCHANGEABLE
LATCH ASSEMBLY,AIRCRAFT
28613

Frequently Asked Questions

What is NSN 4820-00-300-0413?

NSN 4820-00-300-0413 is a Stem,retarding Device,valve Brak, manufactured by Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-300-0413?

NSN 4820-00-300-0413 has 3 cross-referenced part numbers: QT538 (Eaton Aerospace, Llc Dba Jackson South), QT538 (Eaton Aerospace, Llc Dba Jackson South), 28613 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp).

What NSN replaces 4820-00-300-0413?

There are 6 known substitutes for 4820-00-300-0413: 5330-00-356-1413, 1680-00-474-1281, 9340-01-181-6203 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28613?

Key specifications for 28613: End Item Identification: 22202620753;22202618048;22202878507;22202992866;22202620752;22208408616;22208402732. 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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