The O-Ring, cataloged under National Stock Number 5331-01-741-1890, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Current acquisition status: Active.
What this record contains
This page shows the U.S. Government catalog record for NSN 5331-01-741-1890 as we hold it. The record gives the stock number, the item name (O-Ring), its supply class (FSC 5331, O-ring) and its status (active). It lists no specifications, no manufacturer and no manufacturer part numbers. We show what the record contains and nothing more. If you know this part by a manufacturer's part number, search for that number instead.
Catalog Facts
Item Name
O-Ring
FSC / FSG
5331 — O-ring (FSG 53)
Technical Specifications
Parameter
Value
NSN
5331-01-741-1890
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
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
Related Parts in Hardware and Abrasives
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
216-2229
5331-00-001-3923
O-RING
216-2460
5331-00-001-3924
O-RING
GD2821-11
Frequently Asked Questions
What is NSN 5331-01-741-1890?
NSN 5331-01-741-1890 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Is NSN 5331-01-741-1890 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.