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NSN 4820-01-417-4948Government record, cited

Valve Assembly4820-01-417-4948

NSN 4820-01-417-4948 · NIIN 014174948
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-01-417-4948 · 4820014174948 · NIIN 014174948 · 01-417-4948 · FSC 4820 Valves, Nonpowered · 208-4325726 ASSY 99 · 4325726 · 6553-256 ASSEMBLY 99
Nearby stock numbers  ·
Features
  • Valve Assembly — FSC 4820
  • Valve Quantity: 3
  • Flange Face Design: PLAIN
  • Connection Type: FLANGE, ROUND W/HOLES
  • End Connection Quantity: 4
  • Valve Size: 6.000 INCHES IN
  • Body Material: COPPER ALLOY
  • Bolt Hole Quantity: 12
Identification
  • NSN: 4820-01-417-4948
  • NIIN: 014174948
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-417-4948, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-417-4948
Item NameValve Assembly
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
Valve Quantity3
Flange Face DesignPLAIN
Connection TypeFLANGE, ROUND W/HOLES
End Connection Quantity4
Valve Size6.000 INCHES IN
Body MaterialCOPPER ALLOY
Bolt Hole Quantity12
Flange Diameter10.125 INCHES AND 11.250 INCHES IN
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
208-4325726 ASSY 99 3/2 Design control — primary reference
U.S. Government activity
4325726 D/9 Drawing number reference only
U.S. Government activity
6553-256 ASSEMBLY 99 5/9 Secondary reference
Huntington Ingalls Inc Div Newport News Shipbuilding

Frequently Asked Questions

What is NSN 4820-01-417-4948?

NSN 4820-01-417-4948 is a Valve Assembly, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-417-4948?

Key specifications for 4820-01-417-4948: Valve Quantity: 3; Flange Face Design: PLAIN; Connection Type: FLANGE, ROUND W/HOLES; End Connection Quantity: 4. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-417-4948 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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