The O-Ring, cataloged under National Stock Number 5331-01-691-7520, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Climate Systems Division Div Climate Systems Division Copper & As. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-691-7520 |
| Primary Part Number | C0873-70-3-910 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Climate Systems Division Div Climate Systems Division Copper & As |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| C0873-70-3-910 PRIMARY | Parker-Hannifin Corporation Dba Climate Systems Division Div Climate Systems Division Copper & As (USA) |
| S9514-GG-MMC-010 FIG 7-3 ITEM 99 | Naval Sea Systems Command (USA) |
NSN 5331-01-691-7520 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Climate Systems Division Div Climate Systems Division Copper & As, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-691-7520 has 2 manufacturer part numbers on file: C0873-70-3-910 (Parker-Hannifin Corporation Dba Climate Systems Division Div Climate Systems Division Copper & As), S9514-GG-MMC-010 FIG 7-3 ITEM 99 (Naval Sea Systems Command).
Key specifications for C0873-70-3-910: Special Features: MATERIAL NEOPRENE; Part Name Assigned by Controlling Agency: O-RING; End Item Identification: CONTROLLER, VS; Material: RUBBER SYNTHETIC. 1 specification is 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.