PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D-48558 PIECE 2 1 INCHCap,valve

Hunt Valve Company, Inc. · NSN 4820-01-104-3862 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-104-3862 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-104-3862. Primary manufacturer part number: D-48558 PIECE 2 1 INCH.
Features
  • Cap,valve — FSC 4820
  • Valve Model Number for Which Designed: FIG. 474
  • Attachment Method: BOLTS
  • Valve Size for Which Designed: 1.000 INCHES IN
  • Material Document and Classification: ASTM A-296, GRADE CF-8 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Type for Which Designed: CHECK
  • Material: STEEL CORROSION RESISTING
  • 6 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-104-3862, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-104-3862
Primary Part NumberD-48558 PIECE 2 1 INCH
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Valve Model Number for Which DesignedFIG. 474
Attachment MethodBOLTS
Valve Size for Which Designed1.000 INCHES IN
Material Document and ClassificationASTM A-296, GRADE CF-8 ASSN STD SINGLE MATERIAL RESPONSE
Valve Type for Which DesignedCHECK
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-104-5198D-48558 PIECE 2 1/2IN INTERCHANGEABLE
Cap,valve
Hunt Valve Company, Inc.
4820-01-105-3514 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
D-48558 Walworth-Aloyco (USA)
D-48558 PIECE 2 1 INCH Crane Co Div Valve Div (USA)
D-48558 PIECE 2 1 INCH PRIMARY Hunt Valve Company, Inc. (USA)
WAL-CA2-16410 Hunt Valve Company, Inc. (USA)
474-1/2IN Walworth-Aloyco (USA)
D-48558 PIECE 2 1IN Walworth-Aloyco (USA)
Related Parts
4820-01-104-5198INTERCHANGEABLE
CAP,VALVE
D-48558 PIECE 2 1/2IN
4820-01-105-3514INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 4820-01-104-3862?

NSN 4820-01-104-3862 is a Cap,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-104-3862?

NSN 4820-01-104-3862 has 6 cross-referenced part numbers: D-48558 (Walworth-Aloyco), D-48558 PIECE 2 1 INCH (Crane Co Div Valve Div), D-48558 PIECE 2 1 INCH (Hunt Valve Company, Inc.), WAL-CA2-16410 (Hunt Valve Company, Inc.), 474-1/2IN (Walworth-Aloyco) and 1 more.

What NSN replaces 4820-01-104-3862?

There are 2 known substitutes for 4820-01-104-3862: 4820-01-104-5198, 4820-01-105-3514. Verify interchangeability with system specifications before substitution.

What are the specifications of D-48558 PIECE 2 1 INCH?

Key specifications for D-48558 PIECE 2 1 INCH: Valve Model Number for Which Designed: FIG. 474; Attachment Method: BOLTS; Valve Size for Which Designed: 1.000 INCHES IN; Material Document and Classification: ASTM A-296, GRADE CF-8 ASSN STD SINGLE MATERIAL RESPONSE. 6 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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