The Gasket, cataloged under National Stock Number 5330-01-342-5721, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Armor Metal Group Madison, Inc. Dba Armor Metal Fabricating. Government technical data includes 7 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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-342-5721 |
| Primary Part Number | 835028B0018 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Armor Metal Group Madison, Inc. Dba Armor Metal Fabricating |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.115 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Aperture Diameter | 3.250 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 835028B0018 PRIMARY | Armor Metal Group Madison, Inc. Dba Armor Metal Fabricating (USA) |
| 835028B0018 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
NSN 5330-01-342-5721 is a Gasket, manufactured by Armor Metal Group Madison, Inc. Dba Armor Metal Fabricating, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-342-5721 has 2 manufacturer part numbers on file: 835028B0018 (Armor Metal Group Madison, Inc. Dba Armor Metal Fabricating), 835028B0018 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 835028B0018: Cross-Sectional Thickness: 0.115 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.