The Gasket, cataloged under National Stock Number 5330-01-359-8923, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Simplex Manufacturing Co. Dba Dart Aerospace. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-359-8923 |
| Primary Part Number | 124135 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Simplex Manufacturing Co. Dba Dart Aerospace |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.03125 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | GARLOCK 660 MFR REF ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.375 INCHES NOMINAL IN |
| Aperture Diameter | 2.625 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.6875 INCHES NOMINAL IN |
| Material | FIBER AND CORK AND GLUE OVERALL |
| Hole Diameter | 0.265625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 124135 | Simplex Manufacturing Co. Dba Dart Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 2027 | 3/9 Design control — primary reference Us Army Medical Bioengineering Research and Development Laboratory |
NSN 5330-01-359-8923 is a Gasket, manufactured by Simplex Manufacturing Co. Dba Dart Aerospace, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-359-8923 has 1 manufacturer part number on file: 124135 (Simplex Manufacturing Co. Dba Dart Aerospace).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-523-3480, 4820-01-590-7307. Verify interchangeability with system specifications before substitution.
Key specifications for 124135: Cross-Sectional Thickness: 0.03125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: GARLOCK 660 MFR REF ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.