PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8003-34Disk,valve

Xar Industries Inc · NSN 4820-01-431-2390 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-431-2390 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-431-2390. Primary manufacturer part number: 8003-34.
Features
  • Disk,valve — FSC 4820
  • Style Designator: PLAIN
  • Material: ALUMINUM ALLOY 6061
  • Material Document and Classification: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
  • 1 verified cross-reference
  • Primary manufacturer: Xar Industries Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-431-2390, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Xar Industries Inc. Government technical data includes 3 verified specifications, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-431-2390
Primary Part Number8003-34
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerXar Industries Inc
StatusACTIVE
Style DesignatorPLAIN
MaterialALUMINUM ALLOY 6061
Material Document and ClassificationQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4030-00-132-402780033-4 INTERCHANGEABLE
Shackle
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5340-01-733-2186W37450-2412 INTERCHANGEABLE
Clamp,loop
Pacific Consolidated Industries Llc
2990-01-733-2584791168-001 INTERCHANGEABLE
Manifold,intake
Pacific Consolidated Industries Llc
4810-01-733-3650800334-002 INTERCHANGEABLE
Valve,safety Relief
Pacific Consolidated Industries Llc
4810-01-733-3656800320-001 INTERCHANGEABLE
Valve,safety Relief
Pacific Consolidated Industries Llc
4810-01-733-3665800320-002 INTERCHANGEABLE
Valve,safety Relief
Pacific Consolidated Industries Llc
Cross-Reference Index
Part NumberManufacturer
8003-34 Xar Industries Inc (USA)
Related Parts
4030-00-132-4027INTERCHANGEABLE
SHACKLE
80033-4
5340-01-733-2186INTERCHANGEABLE
CLAMP,LOOP
W37450-2412
2990-01-733-2584INTERCHANGEABLE
MANIFOLD,INTAKE
791168-001
4810-01-733-3650INTERCHANGEABLE
VALVE,SAFETY RELIEF
800334-002
4810-01-733-3656INTERCHANGEABLE
VALVE,SAFETY RELIEF
800320-001
4810-01-733-3665INTERCHANGEABLE
VALVE,SAFETY RELIEF
800320-002

Frequently Asked Questions

What is NSN 4820-01-431-2390?

NSN 4820-01-431-2390 is a Disk,valve, manufactured by Xar Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-431-2390?

NSN 4820-01-431-2390 has 1 cross-referenced part number: 8003-34 (Xar Industries Inc).

What NSN replaces 4820-01-431-2390?

There are 6 known substitutes for 4820-01-431-2390: 4030-00-132-4027, 5340-01-733-2186, 2990-01-733-2584 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8003-34?

Key specifications for 8003-34: Style Designator: PLAIN; End Item Identification: 4920-01-186-5820;ENGINE, AIRCRAFT, F-108 (CFM-56, KC-135A) A; Material: ALUMINUM ALLOY 6061; Material Document and Classification: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE. 4 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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