PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21305Plug,adjusting,valve

Bosch Automotive Service Solutions Inc. · NSN 4820-01-280-4175 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-280-4175 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-280-4175. Primary manufacturer part number: 21305.
Features
  • Plug,adjusting,valve — FSC 4820
  • General Characteristics Item Description: THREADED ONE END;OTHER END HEX HEAD
  • 1 verified cross-reference
  • Primary manufacturer: Bosch Automotive Service Solutions Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plug,adjusting,valve, cataloged under National Stock Number 4820-01-280-4175, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bosch Automotive Service Solutions Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-280-4175
Primary Part Number21305
Item NamePlug,adjusting,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBosch Automotive Service Solutions Inc.
StatusACTIVE
General Characteristics Item DescriptionTHREADED ONE END;OTHER END HEX HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-253-690721305 INTERCHANGEABLE
Spring,helical,compression
Komatsu America Corporation
5330-00-290-032410253LPD INTERCHANGEABLE
Seal,plain Encased
Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems
1005-00-874-8702 INTERCHANGEABLE
Stock,gun,shoulder
5120-00-988-610921305 INTERCHANGEABLE
Clamp,c
Wilton Corp Wilton Tool Div
6515-01-592-9835 INTERCHANGEABLE
Suture,absorbable,surgical
4730-01-613-086221305 INTERCHANGEABLE
Tee,pipe
Silver Eagle Manufacturing Co
4020-01-619-580721-305 INTERCHANGEABLE
Rope,fibrous
Hii Unmanned Systems, Inc
Cross-Reference Index
Part NumberManufacturer
21305 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5360-00-253-6907INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21305
5330-00-290-0324INTERCHANGEABLE
SEAL,PLAIN ENCASED
10253LPD
1005-00-874-8702INTERCHANGEABLE
STOCK,GUN,SHOULDER
5120-00-988-6109INTERCHANGEABLE
CLAMP,C
21305
6515-01-592-9835INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
4730-01-613-0862INTERCHANGEABLE
TEE,PIPE
21305
4020-01-619-5807INTERCHANGEABLE
ROPE,FIBROUS
21-305

Frequently Asked Questions

What is NSN 4820-01-280-4175?

NSN 4820-01-280-4175 is a Plug,adjusting,valve, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-280-4175?

NSN 4820-01-280-4175 has 1 cross-referenced part number: 21305 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 4820-01-280-4175?

There are 7 known substitutes for 4820-01-280-4175: 5360-00-253-6907, 5330-00-290-0324, 1005-00-874-8702 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21305?

Key specifications for 21305: General Characteristics Item Description: THREADED ONE END;OTHER END HEX HEAD. 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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