The Seal,light Aperture, cataloged under National Stock Number 5330-00-346-2284, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Div Mission Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-346-2284 |
| Primary Part Number | 99993 |
| Item Name | Seal,light Aperture |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hamilton Sundstrand Corporation Div Mission Systems |
| Status | ACTIVE |
| General Characteristics Item Description | ADHESIVE BACKED BLACK ANODIZED ALUMINUM; 0.281 IN. DIA; 0.0030 IN. O/A THK 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 |
|---|---|
| 99993 PRIMARY | Hamilton Sundstrand Corporation Div Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 99993 | 5/9 Secondary reference Bell and Howell Phillipsburg Co Corporate Offices |
NSN 5330-00-346-2284 is a Seal,light Aperture, manufactured by Hamilton Sundstrand Corporation Div Mission Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-346-2284 has 1 manufacturer part number on file: 99993 (Hamilton Sundstrand Corporation Div Mission Systems).
1 possible match (shared part number, not a government interchangeability claim): 6635-01-628-5351. Verify interchangeability with system specifications before substitution.
Key specifications for 99993: General Characteristics Item Description: ADHESIVE BACKED BLACK ANODIZED ALUMINUM; 0.281 IN. DIA; 0.0030 IN. O/A THK IN. 1 specification is 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.