The Gasket, cataloged under National Stock Number 5330-00-706-2899, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-706-2899 |
| Primary Part Number | 330898 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | RADAR ALTIMETERS |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-STD-417,TYPE S,CLASS SB,GRADE SB615 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 1.062 INCHES NOMINAL IN |
| Aperture Diameter | 0.562 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 330898 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 330898 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 330898 | 5/9 Secondary reference Raytheon Company |
NSN 5330-00-706-2899 is a Gasket, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-706-2899 has 1 manufacturer part number on file: 330898 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-383-5935. Verify interchangeability with system specifications before substitution.
Key specifications for 330898: FSC Application Data: RADAR ALTIMETERS; Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: CIRCULAR. 9 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.