PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P16O-Ring

Caro, Inc. Dba South Bend Lathe · NSN 5331-01-438-2493 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-438-2493 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-438-2493. Primary manufacturer part number: P16.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Caro, Inc. Dba South Bend Lathe
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-438-2493, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Caro, Inc. Dba South Bend Lathe. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCaro, Inc. Dba South Bend Lathe (CAGE 55985)
Technical Specifications
ParameterValue
NSN5331-01-438-2493
Primary Part NumberP16
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaro, Inc. Dba South Bend Lathe
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-018-6431P16 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
3040-00-779-36422615912-3 INTERCHANGEABLE
Cam,control
Lockheed Martin Corporation Div Rms - Mitchel Field
5340-00-835-3304 INTERCHANGEABLE
Plug,protective,dust and Moistur
5340-00-919-2255P16 INTERCHANGEABLE
Handwheel
Ametek Inc
4730-01-121-1856P16 INTERCHANGEABLE
Plug,pipe
The Gorman-Rupp Company Div Gorman-Rupp
7690-01-300-3818 INTERCHANGEABLE
Label
4320-01-317-7389P16 INTERCHANGEABLE
Pump Unit,centrifugal
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
2940-01-365-8984012233-005 INTERCHANGEABLE
Filter Element,intake Air Cleane
Farr Co
4240-01-468-0106P-16 RAPTOR INTERCHANGEABLE
Rescue and Salvage Kit
Power Hawk Technologies, Inc.
6520-01-531-0681P16 INTERCHANGEABLE
Elevator,periosteal
Hu-Friedy Mfg. Co., Llc
Cross-Reference Index
Part NumberManufacturer
P16 PRIMARY Caro, Inc. Dba South Bend Lathe (USA)
Related Parts
5999-00-018-6431INTERCHANGEABLE
HEATER,THERMAL RELEASE
P16
3040-00-779-3642INTERCHANGEABLE
CAM,CONTROL
2615912-3
5340-00-835-3304INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-919-2255INTERCHANGEABLE
HANDWHEEL
P16
4730-01-121-1856INTERCHANGEABLE
PLUG,PIPE
P16
7690-01-300-3818INTERCHANGEABLE
LABEL
4320-01-317-7389INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
P16
2940-01-365-8984INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
012233-005
4240-01-468-0106INTERCHANGEABLE
RESCUE AND SALVAGE KIT
P-16 RAPTOR
6520-01-531-0681INTERCHANGEABLE
ELEVATOR,PERIOSTEAL
P16
4240-01-601-0477INTERCHANGEABLE
NRP,RESCUE TOOL
P-16
5820-01-622-1699INTERCHANGEABLE
SWITCHING UNIT,AUDIO-VIDEO
P16

Frequently Asked Questions

What is NSN 5331-01-438-2493?

NSN 5331-01-438-2493 is a O-Ring, manufactured by Caro, Inc. Dba South Bend Lathe, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-438-2493?

NSN 5331-01-438-2493 has 1 cross-referenced part number: P16 (Caro, Inc. Dba South Bend Lathe).

What NSN replaces 5331-01-438-2493?

There are 12 known substitutes for 5331-01-438-2493: 5999-00-018-6431, 3040-00-779-3642, 5340-00-835-3304 and 9 more. Verify interchangeability with system specifications before substitution.

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