The Valve,gate, cataloged under National Stock Number 4810-01-169-9644, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-169-9644 |
| Item Name | Valve,gate |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Operating Pressure and Type | 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE AND QQ-N-288 COMP B FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Valve Size | 8.000 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 12.375 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 9.500 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL ALLOY DISK |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| N-NB-25025L-HH-325 8IN | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| N-NB-25025L-HH-325 8IN | 3/9 Design control — primary reference Pima Valve, Llc |
| N-NB-25025L-HH-325 | D/9 Drawing number reference only Pima Valve, Llc |
NSN 4810-01-169-9644 is a Valve,gate, classified under FSC 4810, Valves, Powered. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-451-7939, 4820-01-451-7952, 4820-01-451-7960. Verify interchangeability with system specifications before substitution.
Key specifications for 4810-01-169-9644: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Operating Pressure and Type: 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 20 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.