The O-Ring, cataloged under National Stock Number 5331-00-288-2034, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Roseman Mfg Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-288-2034 |
| Primary Part Number | 240S025 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Roseman Mfg Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 240S025 PRIMARY | Roseman Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 388216-1 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| ZZ-R-765E CL1GR70RED | 5/1 Secondary reference U.S. Government activity |
NSN 5331-00-288-2034 is a O-Ring, manufactured by Roseman Mfg Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-288-2034 has 1 manufacturer part number on file: 240S025 (Roseman Mfg Co).
Key specifications for 240S025: Cross-Sectional Height: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Center Hole Diameter: 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 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.