The O-Ring, cataloged under National Stock Number 5331-01-718-3865, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is DC Fabricators Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-718-3865 |
| Primary Part Number | 132-0023-0620 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 7276G NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE G |
| Center Hole Diameter | 16.390 INCHES MINIMUM AND 16.550 INCHES MAXIMUM IN |
| Material | FLUOROCARBON RUBBER |
| 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 |
|---|---|
| 132-0023-0620 PRIMARY | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| HX-686M | D/9 Drawing number reference only DC Fabricators Inc |
NSN 5331-01-718-3865 is a O-Ring, manufactured by DC Fabricators Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-718-3865 has 1 manufacturer part number on file: 132-0023-0620 (DC Fabricators Inc).
Key specifications for 132-0023-0620: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Material Document and Classification: AMS 7276G NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE G; Center Hole Diameter: 16.390 INCHES MINIMUM AND 16.550 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: O-RING GASKET,MAIN FLANGE 260 SQ FT SEAWATER FRESH WATER HEAT EXCHANGER. 4 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.