The O-Ring, cataloged under National Stock Number 5331-01-561-8591, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Incorporated Div Ingalls Shipbuilding. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-561-8591 |
| Primary Part Number | 0200-001-920 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| 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 |
|---|---|
| 0200-001-920 PRIMARY | Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA) |
NSN 5331-01-561-8591 is a O-Ring, manufactured by Huntington Ingalls Incorporated Div Ingalls Shipbuilding, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-561-8591 has 1 manufacturer part number on file: 0200-001-920 (Huntington Ingalls Incorporated Div Ingalls Shipbuilding).
Key specifications for 0200-001-920: End Item Identification: ONBOARD 417 FT (WMSL-750) DEEP WATER NATIONAL SECURITY CUTTER FT. 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.