The O-Ring Set, cataloged under National Stock Number 5331-01-645-5561, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div Village Marine Tech. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-645-5561 |
| Primary Part Number | B665630001 |
| Item Name | O-Ring Set |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div Village Marine Tech |
| 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 |
|---|---|
| B665630001 PRIMARY | Parker Hannifin Corporation Div Village Marine Tech (USA) |
NSN 5331-01-645-5561 is a O-Ring Set, manufactured by Parker Hannifin Corporation Div Village Marine Tech, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-645-5561 has 1 manufacturer part number on file: B665630001 (Parker Hannifin Corporation Div Village Marine Tech).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-678-8345. Verify interchangeability with system specifications before substitution.
Key specifications for B665630001: Special Features: 15-60M3; Part Name Assigned by Controlling Agency: O-RING KIT; End Item Identification: POTABLE WATER SYSTEM. 0 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.