PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205105Valve,safety Relief

Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint · NSN 4820-01-103-9645 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-103-9645 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-103-9645. Primary manufacturer part number: 205105.
Features
  • Valve,safety Relief — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-103-9645, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersCrown Coachworks Inc Div Crown Coachworks Auto Body & Paint (CAGE 26494)
Technical Specifications
ParameterValue
NSN4820-01-103-9645
Primary Part Number205105
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrown Coachworks Inc Div Crown Coachworks Auto Body & Paint
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-173-7300136BLUE INTERCHANGEABLE
Jack,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
2010-00-399-5831CF100-18TC1PC85 INTERCHANGEABLE
Retainer
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5360-00-520-9125205105 INTERCHANGEABLE
Spring,helical,compression
Lockheed Martin Corp
4820-00-595-2761284142N INTERCHANGEABLE
Valve,safety Relief
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
205105 PRIMARY Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint (USA)
Related Parts
5935-00-173-7300INTERCHANGEABLE
JACK,TIP
136BLUE
2010-00-399-5831INTERCHANGEABLE
RETAINER
CF100-18TC1PC85
5360-00-520-9125INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
205105
4820-00-595-2761INTERCHANGEABLE
VALVE,SAFETY RELIEF
284142N

Frequently Asked Questions

What is NSN 4820-01-103-9645?

NSN 4820-01-103-9645 is a Valve,safety Relief, manufactured by Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-103-9645?

NSN 4820-01-103-9645 has 1 cross-referenced part number: 205105 (Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint).

What NSN replaces 4820-01-103-9645?

There are 4 known substitutes for 4820-01-103-9645: 5935-00-173-7300, 2010-00-399-5831, 5360-00-520-9125 and 1 more. Verify interchangeability with system specifications before substitution.

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