The Packing Assembly, cataloged under National Stock Number 5330-01-308-0449, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-308-0449 |
| Primary Part Number | 7448MS-160-N |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 2.690 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN |
| Outside Diameter | 9.993 INCHES MINIMUM AND 9.999 INCHES MAXIMUM IN |
| Material Document and Classification | LP-410 FED SPEC 2ND MATERIAL RESPONSE RETAINER |
| Material Document and Classification | MIL-P-25732 MIL SPEC 1ST MATERIAL RESPONSE PACKING |
| Cross-Sectional Shape Style | TEE LOCATION NOT OTHERWISE SPECIFIED |
| Peripheral Diameter | 9.983 INCHES MINIMUM AND 10.067 INCHES MAXIMUM IN |
| Inside Diameter | 9.523 INCHES MINIMUM AND 9.525 INCHES MAXIMUM IN |
| Height | 0.235 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN |
| Center Hole Diameter | 9.445 INCHES MINIMUM AND 9.505 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON RETAINER |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| 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 |
|---|---|
| 7448MS-160-N PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 7448MS-160-N | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-308-0449 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-308-0449 has 1 manufacturer part number on file: 7448MS-160-N (Greene Tweed & Co Inc).
Key specifications for 7448MS-160-N: Cross-Sectional Height: 2.690 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN; Outside Diameter: 9.993 INCHES MINIMUM AND 9.999 INCHES MAXIMUM IN; Material Document and Classification: LP-410 FED SPEC 2ND MATERIAL RESPONSE RETAINER; Material Document and Classification: MIL-P-25732 MIL SPEC 1ST MATERIAL RESPONSE PACKING. 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.