NSN 5330-01-276-0887 · NIIN 012760887 · Part number CB-63-23
John Crane, Inc · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 71724
Government record, cited
NSN 5330-01-276-0887 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-276-0887. Manufacturer of record part number: CB-63-23.
Also searched as5330-01-276-0887 ·
5330012760887 ·
NIIN 012760887 ·
01-276-0887 ·
FSC 5330 Packing and Gasket Materials · CAGE 71724 · CB-63-23
Seal Width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
Sealing Element Style: VERTICAL
Housing Bore Diameter: 5.504 INCHES MINIMUM AND 5.508 INCHES MAXIMUM IN
Case Style: SQUARE
Accommodated Shaft Diameter: 4.430 INCHES MINIMUM AND 4.450 INCHES MAXIMUM IN
Material: STEEL CASE
Material: STEEL CORROSION RESISTING SPRING
Identification
NSN: 5330-01-276-0887
NIIN: 012760887
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: CB-63-23
Manufacturer: John Crane, Inc
General Description
The Seal,plain Encased, cataloged under National Stock Number 5330-01-276-0887, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-276-0887
Primary Part Number
CB-63-23
Item Name
Seal,plain Encased
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
John Crane, Inc
Status
ACTIVE
Seal Width
0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
Sealing Element Style
VERTICAL
Housing Bore Diameter
5.504 INCHES MINIMUM AND 5.508 INCHES MAXIMUM IN
Case Style
SQUARE
Accommodated Shaft Diameter
4.430 INCHES MINIMUM AND 4.450 INCHES MAXIMUM IN
Material
STEEL CASE
Material
STEEL CORROSION RESISTING SPRING
Material
RUBBER SYNTHETIC SEALING ELEMENT
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085
RETAINER
5330-00-000-0167
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-00-000-5275
5330-00-000-5275 · Item name not on file
5330-00-001-1260
SEAL,NONMETALLIC SPECIAL SHAPED
5330-00-001-1833
SEAL,PLAIN ENCASED
5330-00-001-1844
GLAND,RESERVOIR,INDICATOR END
5330-00-001-1845
5330-00-001-1845 · Item name not on file
5330-00-001-1846
5330-00-001-1846 · Item name not on file
Frequently Asked Questions
What is NSN 5330-01-276-0887?
NSN 5330-01-276-0887 is a Seal,plain Encased, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-276-0887?
NSN 5330-01-276-0887 has 1 manufacturer part number on file: CB-63-23 (John Crane, Inc).
What are the specifications of CB-63-23?
Key specifications for CB-63-23: Seal Width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 5.504 INCHES MINIMUM AND 5.508 INCHES MAXIMUM IN; Case Style: SQUARE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-276-0887 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.