NSN 5330-01-549-0421 · NIIN 015490421 · Part number 100-020
Westermeyer Industries Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 37JQ9
Government record, cited
NSN 5330-01-549-0421 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-549-0421. Manufacturer of record part number: 100-020.
Also searched as5330-01-549-0421 ·
5330015490421 ·
NIIN 015490421 ·
01-549-0421 ·
FSC 5330 Packing and Gasket Materials · CAGE 37JQ9 · 100-020 · W7471-750 ITEM 7
Manufacturer of record: Westermeyer Industries Inc.
Identification
NSN: 5330-01-549-0421
NIIN: 015490421
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 100-020
Manufacturer: Westermeyer Industries Inc.
General Description
The Gasket, cataloged under National Stock Number 5330-01-549-0421, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Westermeyer Industries Inc.. Government technical data includes 3 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
5330-01-549-0421
Primary Part Number
100-020
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Westermeyer Industries Inc.
Status
ACTIVE
Style Designator
CIRCULAR
Outside Diameter
3.260 INCHES NOMINAL IN
Aperture Diameter
2.780 INCHES NOMINAL 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 5330-01-549-0421?
NSN 5330-01-549-0421 is a Gasket, manufactured by Westermeyer Industries Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-549-0421?
NSN 5330-01-549-0421 has 2 manufacturer part numbers on file: W7471-750 ITEM 7 (Westermeyer Industries Inc.), 100-020 (Westermeyer Industries Inc.).
What are the specifications of 100-020?
Key specifications for 100-020: Style Designator: CIRCULAR; Outside Diameter: 3.260 INCHES NOMINAL IN; Aperture Diameter: 2.780 INCHES NOMINAL IN; Special Features: THICKNESS 0.062" ; MATERIAL: BLUE-GARD STYLE 3000. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-549-0421 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.