The O-Ring, cataloged under National Stock Number 5331-01-368-9955, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-368-9955 |
| Primary Part Number | 3-904E515-8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | CANCELLED |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MINIMUM |
| Specification/standard Data | 80205-NAS1602 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Center Hole Diameter | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0912100-14 | Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County (USA) |
| 3-904E515-8 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 3-904 E515-80 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| Reference | Meaning |
|---|---|
| NAS1602-904 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1612-4 | 5/1 Secondary reference U.S. Government activity |
| NAS1612-4ES | 5/9 Secondary reference Eriks B.v. |
NSN 5331-01-368-9955 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-01-368-9955 has 3 manufacturer part numbers on file: 0912100-14 (Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County), 3-904E515-8 (Parker-Hannifin Corp Div O-Ring Division), 3-904 E515-80 (Parker Hannifin Gmbh O-Ring Division).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-580-2160. Verify interchangeability with system specifications before substitution.
Key specifications for 3-904E515-8: Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MINIMUM; Specification/standard Data: 80205-NAS1602 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Special Features: TEMPERATURE MINUS 70 DEG TO PLUS 250/400 DEG F. RATINGS UP TO PLUS 250 DEG F ARE FOR CONTINUOUS OPERATING SERVICE,AND RATINGS ABOVE PLUS 250 DEG F AND UP TO 400 DEG F ARE FOR SHORT TERM OR INTERMITTENT SERVICE DEGF. 5 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.
NSN 5331-01-368-9955 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.