The Valve,gate, cataloged under National Stock Number 4820-01-275-2369, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-275-2369 |
| Primary Part Number | 908008 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Stem Type | RISING |
| Connection Type | SOCKET, WELD, TUBE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES IN |
| Valve Size | 0.250 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | THREADED |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL ALLOY DISK |
| Material | COPPER ALLOY 922 BODY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 908008 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| Reference | Meaning |
|---|---|
| E-4558 | D/9 Drawing number reference only Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| E-4558 ITEM 187 | 5/9 Secondary reference Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| 9008008 | 5/9 Secondary reference Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
NSN 4820-01-275-2369 is a Valve,gate, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-275-2369 has 1 manufacturer part number on file: 908008 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-275-2446. Verify interchangeability with system specifications before substitution.
Key specifications for 908008: Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Connection Type: SOCKET, WELD, TUBE; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY. 17 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.