The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-429-2660, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-429-2660 |
| Primary Part Number | 5257-253082-001 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| Status | ACTIVE |
| Inside Corner Radius | 0.150 INCHES NOMINAL IN |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-83285, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CIRCULAR |
| Aperture Width | 8.130 INCHES MINIMUM AND 8.150 INCHES MAXIMUM IN |
| Aperture Length | 9.660 INCHES MINIMUM AND 9.680 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.103 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM 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 |
|---|---|
| 5257-253082-001 | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN) |
| Reference | Meaning |
|---|---|
| 19200-12919089 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 12919089 | 7/1 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5330-01-429-2660 is a Seal,nonmetallic Round Section, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-429-2660 has 1 manufacturer part number on file: 5257-253082-001 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).
Key specifications for 5257-253082-001: Inside Corner Radius: 0.150 INCHES NOMINAL IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-R-83285, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.