PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16-124O-Ring

Metrex Valve Corp. Dba Metrex Valve Corp · NSN 5331-01-313-4959 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-313-4959 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-313-4959. Primary manufacturer part number: 16-124.
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 5331-01-313-4959, 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. 11 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
NSN5331-01-313-4959
Primary Part Number16-124
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMetrex Valve Corp. Dba Metrex Valve Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5935-00-557-44441604721 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-559-2708 INTERCHANGEABLE
Seal,plain Encased
5910-00-794-307016-124 INTERCHANGEABLE
Capacitor
Keysight Technologies Inc
5360-00-854-3933 INTERCHANGEABLE
Spring
1040-00-991-571053A68C119 INTERCHANGEABLE
Cover,container
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6680-01-037-130416124 INTERCHANGEABLE
Switch Capsule Assembly
Setra Systems, Inc. Dba Gems Sensors
5342-01-136-842016124 INTERCHANGEABLE
Clip
Westerbeke Corporation
5342-01-270-30713930AS218 INTERCHANGEABLE
Door,access,weapon System
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5305-01-274-8672 INTERCHANGEABLE
Screw,cap,socket Head
5940-01-333-318316-124 INTERCHANGEABLE
Terminal,quick Disconnect
Motorola Automotive Electronics
Cross-Reference Index
Part NumberManufacturer
EA1000 ITEM 62 Metrex Valve Corp. Dba Metrex Valve Corp (USA)
16-124 PRIMARY Metrex Valve Corp. Dba Metrex Valve Corp (USA)
Related Parts
5935-00-557-4444INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
1604721
5330-00-559-2708INTERCHANGEABLE
SEAL,PLAIN ENCASED
5910-00-794-3070INTERCHANGEABLE
CAPACITOR
16-124
5360-00-854-3933INTERCHANGEABLE
SPRING
1040-00-991-5710INTERCHANGEABLE
COVER,CONTAINER
53A68C119
6680-01-037-1304INTERCHANGEABLE
SWITCH CAPSULE ASSEMBLY
16124
5342-01-136-8420INTERCHANGEABLE
CLIP
16124
5342-01-270-3071INTERCHANGEABLE
DOOR,ACCESS,WEAPON SYSTEM
3930AS218
5305-01-274-8672INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5940-01-333-3183INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
16-124
8145-01-727-7180INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER S
16124

Frequently Asked Questions

What is NSN 5331-01-313-4959?

NSN 5331-01-313-4959 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 5331-01-313-4959?

NSN 5331-01-313-4959 has 2 cross-referenced part numbers: EA1000 ITEM 62 (Metrex Valve Corp. Dba Metrex Valve Corp), 16-124 (Metrex Valve Corp. Dba Metrex Valve Corp).

What NSN replaces 5331-01-313-4959?

There are 11 known substitutes for 5331-01-313-4959: 5935-00-557-4444, 5330-00-559-2708, 5910-00-794-3070 and 8 more. Verify interchangeability with system specifications before substitution.

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