NSN 5330-01-582-0845 · NIIN 015820845 · Part number D-4421-5PN40(NON-ASBESTOS)
Atlas Industrial Mfg Co · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 1N041
Government record, cited
NSN 5330-01-582-0845 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-582-0845. Manufacturer of record part number: D-4421-5PN40(NON-ASBESTOS).
Also searched as5330-01-582-0845 ·
5330015820845 ·
NIIN 015820845 ·
01-582-0845 ·
FSC 5330 Packing and Gasket Materials · CAGE 1N041 · D-4421-5PN40(NON-ASBESTOS)
Nearby stock numbers← 5330-01-582-0838 Gasket
·
5330-01-582-0856 Packing Material →
5330-01-582-0845 — Packing and Gasket Materials
Features
Gasket — FSC 5330
Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN
Style Designator: CIRCULAR
Cross-Sectional Shape Style: METAL WITH SOFT FILLER
Outside Diameter: 20.750 INCHES NOMINAL IN
Aperture Diameter: 20.000 INCHES NOMINAL IN
Material: GRAPHITE CORE
Material: STEEL COMP 304 JACKET
Identification
NSN: 5330-01-582-0845
NIIN: 015820845
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: D-4421-5PN40(NON-ASBESTOS)
Manufacturer: Atlas Industrial Mfg Co
General Description
The Gasket, cataloged under National Stock Number 5330-01-582-0845, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Atlas Industrial Mfg Co. Government technical data includes 7 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
5330-01-582-0845
Primary Part Number
D-4421-5PN40(NON-ASBESTOS)
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Atlas Industrial Mfg Co
Status
ACTIVE
Cross-Sectional Thickness
0.125 INCHES NOMINAL IN
Style Designator
CIRCULAR
Cross-Sectional Shape Style
METAL WITH SOFT FILLER
Outside Diameter
20.750 INCHES NOMINAL IN
Aperture Diameter
20.000 INCHES NOMINAL IN
Material
GRAPHITE CORE
Material
STEEL COMP 304 JACKET
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 5330-01-582-0845?
NSN 5330-01-582-0845 is a Gasket, manufactured by Atlas Industrial Mfg Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-582-0845?
NSN 5330-01-582-0845 has 1 manufacturer part number on file: D-4421-5PN40(NON-ASBESTOS) (Atlas Industrial Mfg Co).
What are the specifications of D-4421-5PN40(NON-ASBESTOS)?
Key specifications for D-4421-5PN40(NON-ASBESTOS): Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL WITH SOFT FILLER; Outside Diameter: 20.750 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-582-0845 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.