NSN 5331-01-439-6657 · NIIN 014396657 · Part number 832518-001
Northrop Grumman Corp Electronic Systems Defensive System Div · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 22915
Government record, cited
NSN 5331-01-439-6657 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-439-6657. Manufacturer of record part number: 832518-001.
Also searched as5331-01-439-6657 ·
5331014396657 ·
NIIN 014396657 ·
01-439-6657 ·
FSC 5331 O-ring · CAGE 22915 · 832518-001
Manufacturer of record: Northrop Grumman Corp Electronic Systems Defensive System Div
Identification
NSN: 5331-01-439-6657
NIIN: 014396657
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 832518-001
Manufacturer: Northrop Grumman Corp Electronic Systems Defensive System Div
General Description
The O-Ring, cataloged under National Stock Number 5331-01-439-6657, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. 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
Northrop Grumman Corp Electronic Systems Defensive System Div (CAGE 22915)
Technical Specifications
Parameter
Value
NSN
5331-01-439-6657
Primary Part Number
832518-001
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Northrop Grumman Corp Electronic Systems Defensive System Div
Northrop Grumman Corp Electronic Systems Defensive System Div (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 5331-01-439-6657?
NSN 5331-01-439-6657 is a O-Ring, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-439-6657?
NSN 5331-01-439-6657 has 1 manufacturer part number on file: 832518-001 (Northrop Grumman Corp Electronic Systems Defensive System Div).
Is NSN 5331-01-439-6657 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.