The Retainer,packing, cataloged under National Stock Number 5330-01-150-1538, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-150-1538 |
| Primary Part Number | F1 1/2A19K |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 922 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F1 1/2A19K PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| Reference | Meaning |
|---|---|
| 99F1 1/2A-H PIECE 19 | 5/9 Secondary reference Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
NSN 5330-01-150-1538 is a Retainer,packing, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-150-1538 has 1 manufacturer part number on file: F1 1/2A19K (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-223-0924. Verify interchangeability with system specifications before substitution.
Key specifications for F1 1/2A19K: Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 922 OVERALL. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.