The Seal,plain, cataloged under National Stock Number 5330-01-293-5337, 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 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-293-5337 |
| Primary Part Number | 121-32700-972-0210 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Seal Width | 0.280 INCHES NOMINAL IN |
| Housing Bore Diameter | 2.118 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 1.747 INCHES NOMINAL IN |
| Material | RESIN SYNTHETIC OUTER RING |
| Material | RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR INNER RING |
| Construction | TWO-PIECE |
| 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 |
|---|---|
| 12576076 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 121-32700-972-0210 PRIMARY | Greene Tweed & Co Inc (USA) |
| RB10CM327AT13NL PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 121-32700-972-0210 | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-293-5337 is a Seal,plain, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-293-5337 has 3 manufacturer part numbers on file: 12576076 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 121-32700-972-0210 (Greene Tweed & Co Inc), RB10CM327AT13NL (Trelleborg Sealing Solutions Us, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-293-5339. Verify interchangeability with system specifications before substitution.
Key specifications for 121-32700-972-0210: Seal Width: 0.280 INCHES NOMINAL IN; Housing Bore Diameter: 2.118 INCHES NOMINAL IN; Special Features: MIN HYDRAULIC PRESSURE:5000 PSI;TEMPERATURE:-65 DEG F TO 250 DEG F;MUSTPERFORM FOR 10,000 CYCLES WITH DISPLACEMENTS OF 36 INCHES AND SPEEDS UP TO 50 FT/SEC IN; Accommodated Shaft Diameter: 1.747 INCHES NOMINAL IN. 6 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.