The Valve,drain, cataloged under National Stock Number 4820-01-210-0398, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Insinger Machine Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-210-0398 |
| Primary Part Number | D-988 |
| Item Name | Valve,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Insinger Machine Co |
| Status | ACTIVE |
| General Characteristics Item Description | MANUALLY OPERATED |
| 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 |
|---|---|
| 185DA-3 PIECE 36 | Insinger Machine Co (USA) |
| D-988 PRIMARY | Insinger Machine Co (USA) |
| Reference | Meaning |
|---|---|
| 185DA-3 | D/9 Drawing number reference only Insinger Machine Co |
| 700000 | 5/9 Secondary reference Grand Prix Associates Inc |
NSN 4820-01-210-0398 is a Valve,drain, manufactured by Insinger Machine Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-210-0398 has 2 manufacturer part numbers on file: 185DA-3 PIECE 36 (Insinger Machine Co), D-988 (Insinger Machine Co).
4 possible matches (shared part number, not a government interchangeability claim): 3120-01-314-1884, 5330-01-380-0821, 5360-01-521-6061. Verify interchangeability with system specifications before substitution.
Key specifications for D-988: General Characteristics Item Description: MANUALLY OPERATED; End Item Identification: INSINGER MODEL 185 DA LH. 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.