The O-Ring, cataloged under National Stock Number 5331-01-176-5901, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524); Boeing Distribution Services Inc (CAGE Z0CQ1); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-176-5901 |
| Primary Part Number | 702016 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| 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 |
|---|---|
| 702016 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| NAS1611-246 | Boeing Distribution Services Inc (AUS) |
| 2-2460E515-80 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| NAS1601-246 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1611-246 | 5/9 Secondary reference U.S. Government activity |
| NAS1601 | 3/1 Design control — primary reference U.S. Government activity |
| 2-246E515-80 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-176-5901 is a O-Ring, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-176-5901 has 3 manufacturer part numbers on file: 702016 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), NAS1611-246 (Boeing Distribution Services Inc), 2-2460E515-80 (Parker-Hannifin Corp Div O-Ring Division).
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.