The Retainer,packing, cataloged under National Stock Number 5330-01-620-1380, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-620-1380 |
| Primary Part Number | B1421A-2 1/2-10 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material Document and Classification | ASTM B61 OR B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 836 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 |
|---|---|
| B1421A-2 1/2-10 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| B1421A-2 1/2-10 | 3/9 Design control — primary reference Pima Valve, Llc |
NSN 5330-01-620-1380 is a Retainer,packing, manufactured by Hunt Valve Company, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-620-1380 has 1 manufacturer part number on file: B1421A-2 1/2-10 (Hunt Valve Company, Inc.).
Key specifications for B1421A-2 1/2-10: Material Document and Classification: ASTM B61 OR B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: CMS DATA ID 1030 PCCN SE0130 PLISN A003; NEXT HIGHER ASSEMBLY VALVE, ANGLE STOP-CHECK P/N B1421A-2 1/2; Part Name Assigned by Controlling Agency: PACKING GLAND; End Item Identification: SENTINEL CLASS FAST RESPONSE CUTTER B (FRC-B). 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.