The O-Ring, cataloged under National Stock Number 5331-01-369-7755, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-369-7755 |
| Primary Part Number | 161-7317963 IT.20 DET 17-A |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 161-7317963 IT.20 DET 17-A | Naval Sea Systems Command (USA) |
| 6702912 ITEM 27 | Naval Sea Systems Command (USA) |
| 562-6702912 ITEM 27 | Naval Sea Systems Command (USA) |
| 562-7317956 ITEM19 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 700018268 | 5/9 Secondary reference Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| 22-01-02 IT.20 DET 17-A | 5/9 Secondary reference Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| 22-01-03 ITEM 27 | 3/9 Design control — primary reference Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
NSN 5331-01-369-7755 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-369-7755 has 4 manufacturer part numbers on file: 161-7317963 IT.20 DET 17-A (Naval Sea Systems Command), 6702912 ITEM 27 (Naval Sea Systems Command), 562-6702912 ITEM 27 (Naval Sea Systems Command), 562-7317956 ITEM19 (Naval Sea Systems Command).
Key specifications for 161-7317963 IT.20 DET 17-A: Material: RUBBER CHLOROPRENE CLASS CR. 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.