PartsTable TECHNICAL DATA SHEET
NSN 5331-01-685-6226Government record, cited

O-Ring5331-01-685-6226

NSN 5331-01-685-6226 · NIIN 016856226 · Part number MK11033
Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 5E880
Government record, cited
NSN 5331-01-685-6226 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-685-6226. Manufacturer of record part number: MK11033.
Also searched as  5331-01-685-6226 · 5331016856226 · NIIN 016856226 · 01-685-6226 · FSC 5331 O-ring · CAGE 5E880 · MK11033
Nearby stock numbers  ·
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.
Identification
  • NSN: 5331-01-685-6226
  • NIIN: 016856226
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: MK11033
  • Manufacturer: Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.
General Description

The O-Ring, cataloged under National Stock Number 5331-01-685-6226, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-685-6226
Primary Part NumberMK11033
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerGallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
MK11033 PRIMARY Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. (USA)
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 5331-01-685-6226?

NSN 5331-01-685-6226 is a O-Ring, manufactured by Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc., classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-685-6226?

NSN 5331-01-685-6226 has 1 manufacturer part number on file: MK11033 (Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.).

What are the specifications of MK11033?

Key specifications for MK11033: Part Name Assigned by Controlling Agency: SEAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-685-6226 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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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