PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

358-4Parts Kit,pressure Regulating VA

Watson Mcdaniel Co · NSN 4820-01-270-6450 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-270-6450 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-270-6450. Primary manufacturer part number: 358-4.
Features
  • Parts Kit,pressure Regulating VA — FSC 4820
  • Component Quantity: 6
  • Nonsupply Items and Quantities: WASHER 1; SPRING 1; NUT 2; SCREW 1; DIAPHRAGM 1
  • 2 verified cross-references
  • Primary manufacturer: Watson Mcdaniel Co
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-270-6450, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Watson Mcdaniel Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-270-6450
Primary Part Number358-4
Item NameParts Kit,pressure Regulating VA
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWatson Mcdaniel Co
StatusACTIVE
Component Quantity6
Nonsupply Items and QuantitiesWASHER 1; SPRING 1; NUT 2; SCREW 1; DIAPHRAGM 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-184-7660 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
3110-00-227-40593581 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5970-00-246-73917900-037 INTERCHANGEABLE
Insulator,washer
Bird Electronic Corporation Div Bird Electronic Corp
5905-00-279-2616 INTERCHANGEABLE
Resistor,fixed,composition
5930-00-296-6902212616PC26 INTERCHANGEABLE
Switch,push-Pull
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-371-1506 INTERCHANGEABLE
Gasket
2530-00-586-7622W26191 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Airtex Products Div of Uis Inc
4730-00-596-40623430-148 INTERCHANGEABLE
Tee,tube
Flagg Stanley G & Co Inc Dba Flagg Brass
1730-00-654-33513581 INTERCHANGEABLE
Tie Down Aero Full
Danfoss Power Solutions II, Llc
1650-00-790-9736 INTERCHANGEABLE
Plug,vent Assembly
Cross-Reference Index
Part NumberManufacturer
358-1 Watson Mcdaniel Co (USA)
358-4 PRIMARY Watson Mcdaniel Co (USA)
Related Parts
2530-00-184-7660INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
3110-00-227-4059INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3581
5970-00-246-7391INTERCHANGEABLE
INSULATOR,WASHER
7900-037
5905-00-279-2616INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5930-00-296-6902INTERCHANGEABLE
SWITCH,PUSH-PULL
212616PC26
5330-00-371-1506INTERCHANGEABLE
GASKET
2530-00-586-7622INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
W26191
4730-00-596-4062INTERCHANGEABLE
TEE,TUBE
3430-148
1730-00-654-3351INTERCHANGEABLE
TIE DOWN AERO FULL
3581
1650-00-790-9736INTERCHANGEABLE
PLUG,VENT ASSEMBLY
5950-00-910-9241INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140042-3
6630-00-973-9003INTERCHANGEABLE
BUFFER SOLUTION,STANDARD

Frequently Asked Questions

What is NSN 4820-01-270-6450?

NSN 4820-01-270-6450 is a Parts Kit,pressure Regulating VA, manufactured by Watson Mcdaniel Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-270-6450?

NSN 4820-01-270-6450 has 2 cross-referenced part numbers: 358-1 (Watson Mcdaniel Co), 358-4 (Watson Mcdaniel Co).

What NSN replaces 4820-01-270-6450?

There are 12 known substitutes for 4820-01-270-6450: 2530-00-184-7660, 3110-00-227-4059, 5970-00-246-7391 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 358-4?

Key specifications for 358-4: Component Quantity: 6; Nonsupply Items and Quantities: WASHER 1; SPRING 1; NUT 2; SCREW 1; DIAPHRAGM 1. 2 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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