NSN 4820-01-127-3975 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-127-3975. Manufacturer of record part number: 23256-10REVB PIECE 8-1IN.
The Cap,valve, cataloged under National Stock Number 4820-01-127-3975, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-127-3975
Primary Part Number
23256-10REVB PIECE 8-1IN
Item Name
Cap,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Velan Valve Corp.
Status
ACTIVE
Valve Type for Which Designed
GATE
Valve Model Number for Which Designed
W05-3054B
Valve Size for Which Designed
1.000 INCHES IN
Material
STEEL
Attachment Method
BOLTS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-297-500023256-10/1-1/2 1500PSIPOSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Velan Valve Corp.
4820-01-419-71062553-069-302-2POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-420-213223256-10ITEM5 PN 2562-069-063POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-424-62142564-097-064POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-465-37902567-103-063POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-465-45782557-073-200-SPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-465-52952577-077-122POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-650-5648B08-3054B-02TSG SCH 80POSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Velan Valve Corp.
NSN 4820-01-127-3975 is a Cap,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-127-3975?
NSN 4820-01-127-3975 has 1 manufacturer part number on file: 23256-10REVB PIECE 8-1IN (Velan Valve Corp.).
What NSN replaces 4820-01-127-3975?
8 possible matches (shared part number, not a government interchangeability claim): 4820-01-297-5000, 4820-01-419-7106, 4820-01-420-2132. Verify interchangeability with system specifications before substitution.
What are the specifications of 23256-10REVB PIECE 8-1IN?
Key specifications for 23256-10REVB PIECE 8-1IN: Valve Type for Which Designed: GATE; Valve Model Number for Which Designed: W05-3054B; Valve Size for Which Designed: 1.000 INCHES IN; Material: STEEL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-127-3975 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.