The Gasket, cataloged under National Stock Number 5330-01-181-2525, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-181-2525 |
| Primary Part Number | 2528257 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Inside Corner Radius | 0.438 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | AMS3274.NAVICP-MECH HAS AUTHORIZED THE REPLACEMENT MATERIAL FOR THE CANCELLED MATERIAL MIL-C-8068 MIL SPEC 1ST MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 3.375 INCHES NOMINAL IN |
| Aperture Length | 4.750 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Center to Center Distance Between Bolt Holes Along Length | 2.126 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.312 INCHES NOMINAL IN |
| Outside Corner Radius | 0.125 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND PLASTIC POLYAMIDE NYLON OR RUBBER SYNTHETIC AND COTTON OVERALL |
| Hole Diameter | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.312 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 |
NSN 5330-01-181-2525 is a Gasket, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-181-2525 has 2 manufacturer part numbers on file: 2528257 (Bae Systems Land & Armaments L.p.), 2528257 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2528257: Cross-Sectional Thickness: 0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN; Inside Corner Radius: 0.438 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: AMS3274.NAVICP-MECH HAS AUTHORIZED THE REPLACEMENT MATERIAL FOR THE CANCELLED MATERIAL MIL-C-8068 MIL SPEC 1ST MATERIAL RESPONSE OVERALL. 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.