The Packing Assembly, cataloged under National Stock Number 5330-00-436-2591, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 11 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-436-2591 |
| Primary Part Number | 8413008 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.520 INCHES NOMINAL IN |
| Inner Groove Depth | 0.205 INCHES NOMINAL IN |
| Outside Diameter | 4.244 INCHES NOMINAL IN |
| Rim Surface Width | 0.342 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SPECIAL INNER RING |
| Cross-Sectional Shape Style | SPECIAL OUTER RING |
| Flanged Body Outside Diameter | 3.718 INCHES NOMINAL IN |
| Peripheral Diameter | 4.092 INCHES NOMINAL IN |
| Inside Diameter | 3.245 INCHES NOMINAL IN |
| Height | 0.520 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC INNER RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-00-436-2591 is a Packing Assembly, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-436-2591 has 2 manufacturer part numbers on file: 8413008 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 8412438 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-275-6168. Verify interchangeability with system specifications before substitution.
Key specifications for 8413008: Cross-Sectional Height: 0.520 INCHES NOMINAL IN; Inner Groove Depth: 0.205 INCHES NOMINAL IN; Outside Diameter: 4.244 INCHES NOMINAL IN; Rim Surface Width: 0.342 INCHES NOMINAL IN. 11 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.