The Gasket, cataloged under National Stock Number 5330-00-599-9784, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-599-9784 |
| Primary Part Number | 762-56 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 0.458 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| Aperture Diameter | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Material | RUBBER NATURAL OR RUBBER SYNTHETIC 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 |
|---|---|
| 762-56 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 762-56 | 5/9 Secondary reference Donallco Inc |
| 752-56 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5330-00-599-9784 is a Gasket, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-599-9784 has 1 manufacturer part number on file: 762-56 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
2 possible matches (shared part number, not a government interchangeability claim): 6105-01-128-2358, 4730-01-528-3106. Verify interchangeability with system specifications before substitution.
Key specifications for 762-56: Cross-Sectional Thickness: 0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 0.458 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN. 6 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.