The Seat,valve, cataloged under National Stock Number 4820-01-651-2001, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-651-2001 |
| Primary Part Number | 63844000 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| Status | ACTIVE |
| Material Document and Classification | ASTM D-4020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | PLASTIC, POLYETHYLENE (PP) OVERALL |
| 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 |
|---|---|
| 63844000 PRIMARY | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| B-100-N NO. 2 | C/1 Advisory reference — outside the item-of-supply concept Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
NSN 4820-01-651-2001 is a Seat,valve, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-651-2001 has 1 manufacturer part number on file: 63844000 (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company).
Key specifications for 63844000: Material Document and Classification: ASTM D-4020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE; End Item Identification: BRASS BALL VALVED (GATED); Material: PLASTIC, POLYETHYLENE (PP) OVERALL. 2 specifications are 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.