NSN 5331-00-297-5386 · NIIN 002975386 · Part number NC275B
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 07524
Government record, cited
NSN 5331-00-297-5386 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-297-5386. Manufacturer of record part number: NC275B.
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
2 manufacturer part numbers on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Identification
NSN: 5331-00-297-5386
NIIN: 002975386
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: NC275B
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
General Description
The O-Ring, cataloged under National Stock Number 5331-00-297-5386, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-00-297-5386
Primary Part Number
NC275B
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (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 5331-00-297-5386?
NSN 5331-00-297-5386 is a O-Ring, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-297-5386?
NSN 5331-00-297-5386 has 2 manufacturer part numbers on file: NC275B (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), NC777PC15 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
What are the specifications of NC275B?
Key specifications for NC275B: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-297-5386 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.