NSN 5331-00-499-8749 · NIIN 004998749 · Part number 1621121
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 10001
Government record, cited
NSN 5331-00-499-8749 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-499-8749. Manufacturer of record part number: 1621121.
Also searched as5331-00-499-8749 ·
5331004998749 ·
NIIN 004998749 ·
00-499-8749 ·
FSC 5331 O-ring · CAGE 10001 · 1621121
Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
NSN: 5331-00-499-8749
NIIN: 004998749
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 1621121
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The O-Ring, cataloged under National Stock Number 5331-00-499-8749, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
O-Ring
FSC / FSG
5331 — O-ring (FSG 53)
Manufacturers
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
Parameter
Value
NSN
5331-00-499-8749
Primary Part Number
1621121
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (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 5331-00-499-8749?
NSN 5331-00-499-8749 is a O-Ring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-499-8749?
NSN 5331-00-499-8749 has 1 manufacturer part number on file: 1621121 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Is NSN 5331-00-499-8749 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.