NSN 4820-01-137-8168 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-137-8168. Manufacturer of record part number: NB-0102-H 0350.
Inlet Relationship with Outlet: IDENTICALIDENTICAL
Flange Face Design: PLAINPLAIN
Stem Type: RISINGRISING
Valve Size: 3.500 INCHES3.500 INCHES IN
Bonnet Type: OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE
Bonnet Attachment Method: BOLTEDBOLTED
Face to Face Distance: 6.500 INCHES6.500 INCHES IN
Identification
NSN: 4820-01-137-8168
NIIN: 011378168
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: NB-0102-H 0350
Manufacturer: Hunt Valve Company, Inc.
General Description
The Valve,gate, cataloged under National Stock Number 4820-01-137-8168, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-137-8168
Primary Part Number
NB-0102-H 0350
Item Name
Valve,gate
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hunt Valve Company, Inc.
Status
ACTIVE
Inlet Relationship with Outlet
IDENTICALIDENTICAL
Flange Face Design
PLAINPLAIN
Stem Type
RISINGRISING
Valve Size
3.500 INCHES3.500 INCHES IN
Bonnet Type
OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE
Bonnet Attachment Method
BOLTEDBOLTED
Face to Face Distance
6.500 INCHES6.500 INCHES IN
Material
NICKEL ALLOY STEM
Material
NICKEL ALLOY SEAT
Material
COPPER ALLOY DISK
Valve Operation Method
MANUALMANUAL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-465-5105NB-0102-H-0350-14POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-465-5167NB-0102-H-0350-08POSSIBLE MATCH
FLANGE,GLAND,VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-465-5291NB-0102-H-0350-06POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
5310-01-465-6236NB-0102-H-0350-16POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-466-2770NB-0102-H-0350-09POSSIBLE MATCH
STEM,SUPPORT,VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
NSN 4820-01-137-8168 is a Valve,gate, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-137-8168?
NSN 4820-01-137-8168 has 1 manufacturer part number on file: NB-0102-H 0350 (Hunt Valve Company, Inc.).
What NSN replaces 4820-01-137-8168?
5 possible matches (shared part number, not a government interchangeability claim): 5310-01-465-5105, 4820-01-465-5167, 4820-01-465-5291. Verify interchangeability with system specifications before substitution.
What are the specifications of NB-0102-H 0350?
Key specifications for NB-0102-H 0350: Inlet Relationship with Outlet: IDENTICALIDENTICAL; Flange Face Design: PLAINPLAIN; Stem Type: RISINGRISING; Valve Size: 3.500 INCHES3.500 INCHES IN. 11 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-137-8168 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.