The Retainer,packing, cataloged under National Stock Number 5330-01-509-6869, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-509-6869 |
| Primary Part Number | M3771-3-AG |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
| Status | ACTIVE |
| Material Document and Classification | ASTM-B21 ALLOY 464 TEMPER H02 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 464 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 |
|---|---|
| M3771-3-AG PRIMARY | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| M3776-4 PC NO 9 | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
NSN 5330-01-509-6869 is a Retainer,packing, manufactured by Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-509-6869 has 2 manufacturer part numbers on file: M3771-3-AG (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M3776-4 PC NO 9 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).
Key specifications for M3771-3-AG: Material Document and Classification: ASTM-B21 ALLOY 464 TEMPER H02 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: NAVAL BRASS; End Item Identification: 1/2IN GLOBE VALVE IN; Material: COPPER ALLOY 464 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.