NSN 5331-01-632-6739 · NIIN 016326739 · Part number 04521-006
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 21439
Government record, cited
NSN 5331-01-632-6739 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-632-6739. Manufacturer of record part number: 04521-006.
Manufacturer of record: Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Identification
NSN: 5331-01-632-6739
NIIN: 016326739
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 04521-006
Manufacturer: Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
General Description
The O-Ring, cataloged under National Stock Number 5331-01-632-6739, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. The record lists 2 manufacturer part numbers 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
Scandinavian Manufacturing Scama Ab (CAGE A274N); Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (CAGE 21439)
Technical Specifications
Parameter
Value
NSN
5331-01-632-6739
Primary Part Number
04521-006
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (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 5331-01-632-6739?
NSN 5331-01-632-6739 is a O-Ring, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-632-6739?
NSN 5331-01-632-6739 has 2 manufacturer part numbers on file: 904264 (Scandinavian Manufacturing Scama Ab), 04521-006 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).
Is NSN 5331-01-632-6739 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.