The Stem,fluid Valve, cataloged under National Stock Number 4820-01-453-8113, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-453-8113 |
| Primary Part Number | 253870 PC NO 6 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Largest Outside Diameter | 1.750 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Features Provided | RISING STEM |
| Valve Size for Which Designed | 12.000 INCHES IN |
| Material | NICKEL ALLOY K-500 |
| 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 |
|---|---|
| 253870 PC NO 6 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 253870 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 253870 PC NO 6 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4820-01-453-8113 is a Stem,fluid Valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-453-8113 has 1 manufacturer part number on file: 253870 PC NO 6 (Huntington Ingalls Inc Div Newport News Shipbuilding).
4 possible matches (shared part number, not a government interchangeability claim): 4810-01-466-1562, 5315-01-466-7599, 4810-01-467-0579. Verify interchangeability with system specifications before substitution.
Key specifications for 253870 PC NO 6: Valve Type for Which Designed: GATE; Largest Outside Diameter: 1.750 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 32.188 INCHES NOMINAL IN. 6 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.