NSN 4820-01-349-7744 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-349-7744. Manufacturer of record part number: 5R9252 ITEM 48.
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 4820-01-349-7744
NIIN: 013497744
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 5R9252 ITEM 48
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Valve,check, cataloged under National Stock Number 4820-01-349-7744, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Valve,check
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (CAGE 72352)
Technical Specifications
Parameter
Value
NSN
4820-01-349-7744
Primary Part Number
5R9252 ITEM 48
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
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 Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-349-78275R9709POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4730-01-350-0189SAE J514/1 24-16 070102SPOSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Sae International Dba Sae International
4730-01-350-01928C6875POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4730-01-350-02165R9699POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4710-01-350-02745R9524POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4710-01-350-02755R9525POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4710-01-350-02765R9529POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4710-01-350-02775R9519POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4710-01-350-02785R9534POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
4710-01-350-02795R9697POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
Reference documents
Reference
Meaning
CV02-54
3/2Design control — primary reference
U.S. Government activity
5R9252
D/9Drawing number reference only
Caterpillar Inc Div Caterpillar Defense
488-16B28-3
5/9Secondary reference
U.S. Government activity
Related Parts
4730-01-349-7827POSSIBLE MATCH
FLANGE,PIPE
5R9709
4730-01-350-0189POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J514/1 24-16 070102S
4730-01-350-0192POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
8C6875
4730-01-350-0216POSSIBLE MATCH
FLANGE,PIPE
5R9699
4710-01-350-0274POSSIBLE MATCH
TUBE ASSEMBLY,METAL
5R9524
4710-01-350-0275POSSIBLE MATCH
TUBE ASSEMBLY,METAL
5R9525
4710-01-350-0276POSSIBLE MATCH
TUBE ASSEMBLY,METAL
5R9529
4710-01-350-0277POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
5R9519
4710-01-350-0278POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
5R9534
4710-01-350-0279POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
5R9697
4710-01-350-1750POSSIBLE MATCH
TUBE ASSEMBLY,METAL
5R9521
4710-01-350-1752POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
5R9518
Frequently Asked Questions
What is NSN 4820-01-349-7744?
NSN 4820-01-349-7744 is a Valve,check, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-349-7744?
NSN 4820-01-349-7744 has 3 manufacturer part numbers on file: 5R9252 ITEM 48 (Caterpillar Inc Div Caterpillar Defense), 7C0592 (Caterpillar Inc Div Caterpillar Defense), 488-16B28-3 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).
What NSN replaces 4820-01-349-7744?
12 possible matches (shared part number, not a government interchangeability claim): 4730-01-349-7827, 4730-01-350-0189, 4730-01-350-0192. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-349-7744 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.