The O-Ring, cataloged under National Stock Number 5331-01-428-4052, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Nakakita Seisakusho Co. Ltd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-428-4052 |
| Primary Part Number | KD007349 400MM PC-10 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Nakakita Seisakusho Co. Ltd |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| KD007349 400MM PC-10 PRIMARY | Nakakita Seisakusho Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| KD007349 400MM PC-10 | 3/9 Design control — primary reference Nakakita Seisakusho Co. Ltd |
NSN 5331-01-428-4052 is a O-Ring, manufactured by Nakakita Seisakusho Co. Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-428-4052 has 1 manufacturer part number on file: KD007349 400MM PC-10 (Nakakita Seisakusho Co. Ltd).
Key specifications for KD007349 400MM PC-10: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.