PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16-219O-Ring

Metrex Valve Corp. Dba Metrex Valve Corp · NSN 5331-01-425-3040 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-425-3040 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-425-3040. Primary manufacturer part number: 16-219.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-425-3040, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersMetrex Valve Corp. Dba Metrex Valve Corp (CAGE 21013)
Technical Specifications
ParameterValue
NSN5331-01-425-3040
Primary Part Number16-219
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMetrex Valve Corp. Dba Metrex Valve Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2815-00-529-214219052 INTERCHANGEABLE
Deflector,dirt and Liquid
Brinkley Technology Group Llc Dba Hercules Manufacturing
1650-00-787-092516219 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Moog Military Aircraft Llc
5940-00-901-1405 INTERCHANGEABLE
Terminal,stud
6520-00-904-198016219 INTERCHANGEABLE
Point,endodontic
Sybron Dental Specialties, Inc. Dba Analytic Endodontics
3455-01-044-4147 INTERCHANGEABLE
Cutter,milling,end
2530-01-105-574216219 INTERCHANGEABLE
Chamber,air Brake
Load King, Llc Div Load King
2530-01-316-86231427001 INTERCHANGEABLE
Chamber,air Brake
Indian Head Industries, Inc. Div Mgm Brakes
6515-01-590-7784204.846 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16-219 PRIMARY Metrex Valve Corp. Dba Metrex Valve Corp (USA)
MDFPMX-3150-3W IT37 Metrex Valve Corp. Dba Metrex Valve Corp (USA)
Related Parts
2815-00-529-2142INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
19052
1650-00-787-0925INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
16219
5940-00-901-1405INTERCHANGEABLE
TERMINAL,STUD
6520-00-904-1980INTERCHANGEABLE
POINT,ENDODONTIC
16219
3455-01-044-4147INTERCHANGEABLE
CUTTER,MILLING,END
2530-01-105-5742INTERCHANGEABLE
CHAMBER,AIR BRAKE
16219
2530-01-316-8623INTERCHANGEABLE
CHAMBER,AIR BRAKE
1427001
6515-01-590-7784INTERCHANGEABLE
SCREW,BONE
204.846

Frequently Asked Questions

What is NSN 5331-01-425-3040?

NSN 5331-01-425-3040 is a O-Ring, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-425-3040?

NSN 5331-01-425-3040 has 2 cross-referenced part numbers: 16-219 (Metrex Valve Corp. Dba Metrex Valve Corp), MDFPMX-3150-3W IT37 (Metrex Valve Corp. Dba Metrex Valve Corp).

What NSN replaces 5331-01-425-3040?

There are 8 known substitutes for 5331-01-425-3040: 2815-00-529-2142, 1650-00-787-0925, 5940-00-901-1405 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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