The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-437-3538, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-437-3538 |
| Primary Part Number | 2645595-1 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Inside Corner Radius | 0.500 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-6855, CL 2, GRADE 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CIRCULAR WITH CENTER APERTURE |
| Aperture Width | 20.570 INCHES MINIMUM AND 20.690 INCHES MAXIMUM IN |
| Cross Section Inside Diameter | 0.060 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Aperture Length | 99.040 INCHES MINIMUM AND 100.060 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.440 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR 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 |
|---|---|
| 2645595-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5330-01-437-3538 is a Seal,nonmetallic Round Section, 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 5330-01-437-3538 has 1 manufacturer part number on file: 2645595-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2645595-1: Inside Corner Radius: 0.500 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-R-6855, CL 2, GRADE 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: CIRCULAR WITH CENTER APERTURE. 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.