The Packing Assembly, cataloged under National Stock Number 5330-01-199-3796, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-199-3796 |
| Primary Part Number | 7021MS-160-5708 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.036 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE TOP RING |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OR ASTM D735 SB715 A1B1E3F2Z NATIONAL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING |
| Rim Surface Width | 0.062 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SPECIAL BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Flanged Body Outside Diameter | 0.990 INCHES NOMINAL IN |
| Peripheral Diameter | 1.053 INCHES MINIMUM AND 1.069 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.928 INCHES MINIMUM AND 0.981 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR BOTTOM RING |
| Material | PLASTIC ACETAL TOP RING |
| 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 |
|---|---|
| 7021MS-160-5708 PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 7021MS-160-5708 | 5/9 Secondary reference Palmetto Inc |
| 10116844 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5330-01-199-3796 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-199-3796 has 1 manufacturer part number on file: 7021MS-160-5708 (Greene Tweed & Co Inc).
Key specifications for 7021MS-160-5708: Cross-Sectional Height: 0.036 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE TOP RING; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OR ASTM D735 SB715 A1B1E3F2Z NATIONAL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING; Rim Surface Width: 0.062 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.