The O-Ring, cataloged under National Stock Number 5331-01-235-7583, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-235-7583 |
| Primary Part Number | TF2-217T |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TF2-217T PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2-217T | 5/9 Secondary reference Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo |
| TF2-217T | 3/9 Design control — primary reference Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo |
NSN 5331-01-235-7583 is a O-Ring, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-235-7583 has 1 manufacturer part number on file: TF2-217T (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for TF2-217T: Cross-Sectional Height: 0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN; Material: PLASTIC TETRAFLUOROETHYLENE. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.