PartsTable TECHNICAL DATA SHEET
Download PDF
NSN 5331-01-652-6393Government record, cited
Home › MRO › Hardware and Abrasives › 5331-01-652-6393

O-Ring5331-01-652-6393

NSN 5331-01-652-6393 · NIIN 016526393 · Part number 227-5538
Caterpillar Inc Div Caterpillar Defense · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5331-01-652-6393 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-652-6393. Manufacturer of record part number: 227-5538.
Also searched as  5331-01-652-6393 · 5331016526393 · NIIN 016526393 · 01-652-6393 · FSC 5331 O-ring · CAGE 11083 · 227-5538 · 2275538
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-652-6393 — O-ring
Features
  • O-Ring — FSC 5331
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 5331-01-652-6393
  • NIIN: 016526393
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 227-5538
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The O-Ring, cataloged under National Stock Number 5331-01-652-6393, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-ring (FSG 53)
ManufacturersCaterpillar Inc Div Caterpillar Defense (CAGE 11083); Royston Limited (CAGE KH573)
Technical Specifications
ParameterValue
NSN5331-01-652-6393
Primary Part Number227-5538
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
227-5538 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
2275538 Royston Limited (GBR)
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING

Frequently Asked Questions

What is NSN 5331-01-652-6393?

NSN 5331-01-652-6393 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-652-6393?

NSN 5331-01-652-6393 has 2 manufacturer part numbers on file: 227-5538 (Caterpillar Inc Div Caterpillar Defense), 2275538 (Royston Limited).

Is NSN 5331-01-652-6393 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

PartsTable — the parts reference. Every fact cited to its source.
partstable.com/parts/5331-01-652-6393
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com
partstable.com · © 2026 PartsTable. Data for reference only.
Home · MRO Catalog · Hardware and Abrasives