The Stem,disk,valve Assembly, cataloged under National Stock Number 4820-00-580-8147, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-580-8147 |
| Primary Part Number | 8910B1-706PC4T07 |
| Item Name | Stem,disk,valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 8910B1-706PC4T07 | Ashcroft Inc Dba Heise (USA) |
| 8910B1-724PC4T07 | Ashcroft Inc Dba Heise (USA) |
| 8930B1-756PC4T07 | Ashcroft Inc Dba Heise (USA) |
| 8910B1-756PC4T07 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 8930B-1-724-PCS 4-7 | 5/1 Secondary reference U.S. Government activity |
| A11-115-125CPC1SSSTEM | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| 8910B8930B1-706PC4T07 | 3/1 Design control — primary reference Ashcroft Inc Dba Heise |
NSN 4820-00-580-8147 is a Stem,disk,valve Assembly, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-580-8147 has 4 manufacturer part numbers on file: 8910B1-706PC4T07 (Ashcroft Inc Dba Heise), 8910B1-724PC4T07 (Ashcroft Inc Dba Heise), 8930B1-756PC4T07 (Ashcroft Inc Dba Heise), 8910B1-756PC4T07 (Ashcroft Inc Dba Heise).
Key specifications for 8910B1-706PC4T07: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 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.
NSN 4820-00-580-8147 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.