NSN 5331-01-346-3808 · NIIN 013463808 · Part number 5520438-1
Naval Sea Systems Command · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5331-01-346-3808 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-346-3808. Manufacturer of record part number: 5520438-1.
Also searched as5331-01-346-3808 ·
5331013463808 ·
NIIN 013463808 ·
01-346-3808 ·
FSC 5331 O-ring · CAGE 53711 · 5520438-1
Cross-Sectional Height: 1.78 MILLIMETERS NOMINAL MM
Center Hole Diameter: 358.7 MILLIMETERS NOMINAL MM
Material: RUBBER
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 5331-01-346-3808
NIIN: 013463808
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 5520438-1
Manufacturer: Naval Sea Systems Command
General Description
The O-Ring, cataloged under National Stock Number 5331-01-346-3808, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 5331-01-346-3808?
NSN 5331-01-346-3808 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-346-3808?
NSN 5331-01-346-3808 has 1 manufacturer part number on file: 5520438-1 (Naval Sea Systems Command).
What are the specifications of 5520438-1?
Key specifications for 5520438-1: Cross-Sectional Height: 1.78 MILLIMETERS NOMINAL MM; Center Hole Diameter: 358.7 MILLIMETERS NOMINAL MM; Material: RUBBER. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-346-3808 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.