NSN 5330-01-449-4583 · NIIN 014494583 · Part number 400A20
Isometrics Inc · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 55242
Government record, cited
NSN 5330-01-449-4583 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-449-4583. Manufacturer of record part number: 400A20.
Also searched as5330-01-449-4583 ·
5330014494583 ·
NIIN 014494583 ·
01-449-4583 ·
FSC 5330 Packing and Gasket Materials · CAGE 55242 · 400A20
Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN
Style Designator: CIRCULAR
Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Outside Diameter: 6.625 INCHES NOMINAL IN
Aperture Diameter: 4.562 INCHES NOMINAL IN
Bolt Hole Quantity: 8
Bolt Circle Diameter: 5.875 INCHES NOMINAL IN
Identification
NSN: 5330-01-449-4583
NIIN: 014494583
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 400A20
Manufacturer: Isometrics Inc
General Description
The Gasket, cataloged under National Stock Number 5330-01-449-4583, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Isometrics Inc. Government technical data includes 9 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
5330-01-449-4583
Primary Part Number
400A20
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Isometrics Inc
Status
ACTIVE
Cross-Sectional Thickness
0.125 INCHES NOMINAL IN
Style Designator
CIRCULAR
Cross-Sectional Shape Style
SOLID SINGLE OR COMPOSITION
Outside Diameter
6.625 INCHES NOMINAL IN
Aperture Diameter
4.562 INCHES NOMINAL IN
Bolt Hole Quantity
8
Bolt Circle Diameter
5.875 INCHES NOMINAL IN
Material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Hole Diameter
0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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 5330-01-449-4583?
NSN 5330-01-449-4583 is a Gasket, manufactured by Isometrics Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-449-4583?
NSN 5330-01-449-4583 has 1 manufacturer part number on file: 400A20 (Isometrics Inc).
What are the specifications of 400A20?
Key specifications for 400A20: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 6.625 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-449-4583 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.