PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P9O-Ring

Caro, Inc. Dba South Bend Lathe · NSN 5331-01-438-2498 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-438-2498 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-438-2498. Primary manufacturer part number: P9.
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 5331-01-438-2498, 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. 8 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
NSN5331-01-438-2498
Primary Part NumberP9
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaro, Inc. Dba South Bend Lathe
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5920-00-190-4418 INTERCHANGEABLE
Fuse,cartridge
4730-00-203-9766F9 INTERCHANGEABLE
Clamp,hose
Deco Products Company, Lllp Dba Deco Products Co
5120-00-529-11061286860 INTERCHANGEABLE
Bar,pinch
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6520-00-584-269988-0394 INTERCHANGEABLE
Elevator,periosteal
Boss Instruments, Limited Inc
3445-00-860-2037 INTERCHANGEABLE
Shearing Machine,form and Pierce
4920-00-863-2479 INTERCHANGEABLE
Probe
5120-01-138-4904 INTERCHANGEABLE
Nutdriver
5440-01-656-2437P-9 INTERCHANGEABLE
Ladder,extension
Carbis Ladders Div of Carbis Sales Inc
Cross-Reference Index
Part NumberManufacturer
P9 PRIMARY Caro, Inc. Dba South Bend Lathe (USA)
Related Parts
5920-00-190-4418INTERCHANGEABLE
FUSE,CARTRIDGE
4730-00-203-9766INTERCHANGEABLE
CLAMP,HOSE
F9
5120-00-529-1106INTERCHANGEABLE
BAR,PINCH
1286860
6520-00-584-2699INTERCHANGEABLE
ELEVATOR,PERIOSTEAL
88-0394
3445-00-860-2037INTERCHANGEABLE
SHEARING MACHINE,FORM AND PIERCE
4920-00-863-2479INTERCHANGEABLE
PROBE
5120-01-138-4904INTERCHANGEABLE
NUTDRIVER
5440-01-656-2437INTERCHANGEABLE
LADDER,EXTENSION
P-9

Frequently Asked Questions

What is NSN 5331-01-438-2498?

NSN 5331-01-438-2498 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 5331-01-438-2498?

NSN 5331-01-438-2498 has 1 cross-referenced part number: P9 (Caro, Inc. Dba South Bend Lathe).

What NSN replaces 5331-01-438-2498?

There are 8 known substitutes for 5331-01-438-2498: 5920-00-190-4418, 4730-00-203-9766, 5120-00-529-1106 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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