The Holder,valve, cataloged under National Stock Number 4820-01-288-9708, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-288-9708 |
| Primary Part Number | 501-6130289 ITEM 16 |
| Item Name | Holder,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM BRONZE,QQ-C-465; 1.050 IN. LG; THD 0.500-13 UNC-3A; CHAMFER 0.060 BY 45 DEG,ALL ENDS; FOR CHECK VALVE A |
| 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 |
|---|---|
| 501-6130289 ITEM 16 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 87643-6502A ITEM 16 | 5/2 Secondary reference U.S. Government activity |
| 87643-6502A | D/9 Drawing number reference only U.S. Government activity |
| 501-6130289 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-288-9708 is a Holder,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-288-9708 has 1 manufacturer part number on file: 501-6130289 ITEM 16 (Naval Sea Systems Command).
Key specifications for 501-6130289 ITEM 16: General Characteristics Item Description: ALUMINUM BRONZE,QQ-C-465; 1.050 IN. LG; THD 0.500-13 UNC-3A; CHAMFER 0.060 BY 45 DEG,ALL ENDS; FOR CHECK VALVE A. 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.