The Gasket, cataloged under National Stock Number 5330-01-221-6428, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-221-6428 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC SYSTEM |
| Cross-Sectional Thickness | 0.165 INCHES NOMINAL IN |
| Relationship to Similar Equipment | REPLACES NSN 5330-01-153-1902 P/N 736566 SEAL PLATE |
| Gage Ring Thickness | 0.125 INCHES NOMINAL IN |
| Supplementary Features | APPL TO NSN 1560-01-167-8738 AND 1650-01-157-1591 DRIVE CONSTANT |
| Reference Data and Literature | T.O.9H6-3-36-3-1,T.O.9H6-3-36-4-1 AND MFR MIL MOD BULLETIN 1098 |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Outside Diameter | 10.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 14 |
| Bolt Circle Diameter | 8.352 INCHES NOMINAL IN |
| Functional Description | SEAL PLATE,INTEGRATED DRIVE GENERATOR/IDG/ |
| Material | ALUMINUM ALLOY AND RUBBER SYNTHETIC OVERALL |
| Type/model Designation | 50IDG02B |
| Hole Diameter | 0.281 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 |
| Reference | Meaning |
|---|---|
| 16VE027001 | 5/1 Secondary reference U.S. Government activity |
| 742640 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-221-6428 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1650-01-222-3790. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-221-6428: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; Cross-Sectional Thickness: 0.165 INCHES NOMINAL IN; Relationship to Similar Equipment: REPLACES NSN 5330-01-153-1902 P/N 736566 SEAL PLATE; Gage Ring Thickness: 0.125 INCHES NOMINAL IN. 15 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.