The Gasket, cataloged under National Stock Number 5330-01-282-4804, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Unifrax I Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-282-4804 |
| Primary Part Number | FIBER-FRAX |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Unifrax I Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-I-23128 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 3.120 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 3.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 3.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.625 INCHES NOMINAL IN |
| Material | CERAMIC OVERALL |
| Hole Diameter | 0.437 INCHES MINIMUM AND 0.452 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.625 INCHES NOMINAL 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 |
|---|---|
| FIBER-FRAX PRIMARY | Unifrax I Llc (USA) |
| Reference | Meaning |
|---|---|
| 1366AS271 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1366AS271 | 3/9 Design control — primary reference Unifrax I Llc |
NSN 5330-01-282-4804 is a Gasket, manufactured by Unifrax I Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-282-4804 has 1 manufacturer part number on file: FIBER-FRAX (Unifrax I Llc).
Key specifications for FIBER-FRAX: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-I-23128 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 4.500 INCHES NOMINAL IN. 12 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.