The O-Ring, cataloged under National Stock Number 5331-01-453-6137, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Api Heat Transfer Inc. Dba Api Heat Transfer Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-453-6137 |
| Primary Part Number | 4018-00-0011-00-10 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Api Heat Transfer Inc. Dba Api Heat Transfer Inc |
| 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 |
|---|---|
| 4018-00-0011-00-10 PRIMARY | Api Heat Transfer Inc. Dba Api Heat Transfer Inc (USA) |
| Reference | Meaning |
|---|---|
| 080G01D-10 | 3/9 Design control — primary reference American Precision Industries Inc Basco Div |
NSN 5331-01-453-6137 is a O-Ring, manufactured by Api Heat Transfer Inc. Dba Api Heat Transfer Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-453-6137 has 1 manufacturer part number on file: 4018-00-0011-00-10 (Api Heat Transfer Inc. Dba Api Heat Transfer Inc).
Key specifications for 4018-00-0011-00-10: Special Features: OD 13.750 INS NOM; End Item Identification: COOLER, FLUID, MDE JACKET WATER P/N 70A60A10108 ONBOARD 210 FT WMEC COAST GUARD VESSELS FT; 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.