The Disk,valve, cataloged under National Stock Number 4810-01-035-9967, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Tactair Fluid Controls 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-035-9967 |
| Primary Part Number | C37631-21 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-763, CLASS 420 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 420 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C37631-21 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| C37631-21 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4810-01-035-9967 is a Disk,valve, manufactured by Tactair Fluid Controls Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-035-9967 has 1 manufacturer part number on file: C37631-21 (Tactair Fluid Controls Inc).
Key specifications for C37631-21: Material Document and Classification: QQ-S-763, CLASS 420 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: HARDNESS RATING RC 49-52 PER MIL-H-6875; Material: STEEL COMP 420. 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 4810-01-035-9967 has DEMIL Code Q. 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.