PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5326-62O-Ring

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 5331-01-560-2996 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-560-2996 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-560-2996. Primary manufacturer part number: 5326-62.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-560-2996, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCircor Aerospace, Inc. Dba Circor Aerospace Inc (CAGE 91816)
Technical Specifications
ParameterValue
NSN5331-01-560-2996
Primary Part Number5326-62
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-761-2238 INTERCHANGEABLE
Spring,helical,compression
4820-01-388-5402P51-500 INTERCHANGEABLE
Valve,safety Relief
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5331-01-560-29845327-62 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5331-01-560-29904010-62 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
P51-500 ITEM NO. 8 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
5326-62 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
P51-500 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
5360-00-761-2238INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4820-01-388-5402INTERCHANGEABLE
VALVE,SAFETY RELIEF
P51-500
5331-01-560-2984INTERCHANGEABLE
O-RING
5327-62
5331-01-560-2990INTERCHANGEABLE
O-RING
4010-62

Frequently Asked Questions

What is NSN 5331-01-560-2996?

NSN 5331-01-560-2996 is a O-Ring, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-560-2996?

NSN 5331-01-560-2996 has 3 cross-referenced part numbers: P51-500 ITEM NO. 8 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 5326-62 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), P51-500 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 5331-01-560-2996?

There are 4 known substitutes for 5331-01-560-2996: 5360-00-761-2238, 4820-01-388-5402, 5331-01-560-2984 and 1 more. Verify interchangeability with system specifications before substitution.

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