PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21553Valve,ball

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 4820-01-517-3077 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-517-3077 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-517-3077. Primary manufacturer part number: 21553.
Features
  • Valve,ball — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-517-3077, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 2 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
NSN4820-01-517-3077
Primary Part Number21553
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6685-00-183-7811TA350-1297149 INTERCHANGEABLE
Indicator,humidity,plug
Agm Container Controls Inc Dba Agm Container Controls Inc
4820-00-506-28702155-3 INTERCHANGEABLE
Disk,valve
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
4820-00-595-2761284142N INTERCHANGEABLE
Valve,safety Relief
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4310-00-810-2818P8650A124 INTERCHANGEABLE
Plunger,valve
Elliott Company Div Jeannette
9905-01-100-493421553 INTERCHANGEABLE
Plate,identification
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6515-01-185-8836022110-10 INTERCHANGEABLE
Curette,uterine,suction
Olympus America Inc
Cross-Reference Index
Part NumberManufacturer
21553 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
21553 Itw Gse Inc. (USA)
Related Parts
6685-00-183-7811INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
TA350-1297149
4820-00-506-2870INTERCHANGEABLE
DISK,VALVE
2155-3
4820-00-595-2761INTERCHANGEABLE
VALVE,SAFETY RELIEF
284142N
4310-00-810-2818INTERCHANGEABLE
PLUNGER,VALVE
P8650A124
9905-01-100-4934INTERCHANGEABLE
PLATE,IDENTIFICATION
21553
6515-01-185-8836INTERCHANGEABLE
CURETTE,UTERINE,SUCTION
022110-10

Frequently Asked Questions

What is NSN 4820-01-517-3077?

NSN 4820-01-517-3077 is a Valve,ball, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-517-3077?

NSN 4820-01-517-3077 has 2 cross-referenced part numbers: 21553 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 21553 (Itw Gse Inc.).

What NSN replaces 4820-01-517-3077?

There are 6 known substitutes for 4820-01-517-3077: 6685-00-183-7811, 4820-00-506-2870, 4820-00-595-2761 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21553?

Key specifications for 21553: End Item Identification: F-22 RAPTOR. 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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