PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D50668 ITEM 25Gasket

Hunt Valve Company Inc Dba Union Flonetics · NSN 5330-01-483-9556 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-483-9556 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-483-9556. Primary manufacturer part number: D50668 ITEM 25.
Features
  • Gasket — FSC 5330
  • Aperture Diameter: 0.781 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR METAL
  • Material: COPPER OVERALL
  • Outside Diameter: 1.094 INCHES NOMINAL IN
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-01-483-9556, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hunt Valve Company Inc Dba Union Flonetics. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-483-9556
Primary Part NumberD50668 ITEM 25
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHunt Valve Company Inc Dba Union Flonetics
StatusACTIVE
Aperture Diameter0.781 INCHES NOMINAL IN
Style DesignatorCIRCULAR
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR METAL
MaterialCOPPER OVERALL
Outside Diameter1.094 INCHES NOMINAL IN
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-199-595913412-256 INTERCHANGEABLE
Gasket
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
Cross-Reference Index
Part NumberManufacturer
D50668 ITEM 25 Hunt Valve Company Inc Dba Union Flonetics (USA)
D50668 ITEM 25CP Naval Inventory Control Point Mechanicsburg (USA)
D19911MBLCP Naval Inventory Control Point Mechanicsburg (USA)
D19911MBL Hunt Valve Company Inc Dba Union Flonetics (USA)
Related Parts
5330-00-199-5959INTERCHANGEABLE
GASKET
13412-256

Frequently Asked Questions

What is NSN 5330-01-483-9556?

NSN 5330-01-483-9556 is a Gasket, manufactured by Hunt Valve Company Inc Dba Union Flonetics, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-483-9556?

NSN 5330-01-483-9556 has 4 cross-referenced part numbers: D50668 ITEM 25 (Hunt Valve Company Inc Dba Union Flonetics), D50668 ITEM 25CP (Naval Inventory Control Point Mechanicsburg), D19911MBLCP (Naval Inventory Control Point Mechanicsburg), D19911MBL (Hunt Valve Company Inc Dba Union Flonetics).

What NSN replaces 5330-01-483-9556?

There is 1 known substitute for 5330-01-483-9556: 5330-00-199-5959. Verify interchangeability with system specifications before substitution.

What are the specifications of D50668 ITEM 25?

Key specifications for D50668 ITEM 25: Special Features: MATERIAL COLD ROLLED,SOFT ANNEALED; Aperture Diameter: 0.781 INCHES NOMINAL IN; Style Designator: CIRCULAR; Part Name Assigned by Controlling Agency: SEAT RING GASKET. 11 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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