Operating Pressure: 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction: RIGHT-HAND ALL ENDS
Nominal Thread Size: 0.438 INCHES ALL ENDS IN
Seat Angle: 37.0 DEGREES ALL ENDS
Identification
NSN: 4820-00-015-1982
NIIN: 000151982
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,check, cataloged under National Stock Number 4820-00-015-1982, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-015-1982
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Flow Control Device
POPPET
Connection Style
FLARED (TUBE) ALL ENDS
Style Designator
STRAIGHT THRU
Operating Pressure
10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction
RIGHT-HAND ALL ENDS
Nominal Thread Size
0.438 INCHES ALL ENDS IN
Seat Angle
37.0 DEGREES ALL ENDS
Thread Class
3A ALL ENDS A
Material
STEEL COMP 303 FLOW CONTROL DEVICE
Material
STEEL COMP 303 BODY
Thread Series Designator
UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
Valve Operation Method
AUTOMATIC
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.
2810-00-082-529760133POSSIBLE MATCH
FLANGE,INTAKE PIPE
Possible match (shared part number)Textron Lycoming Inc Williamsport Plant
5935-00-490-0271POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)
4820-00-719-468960133POSSIBLE MATCH
PARTS KIT,LINEAR DIRECTIONAL CON
Possible match (shared part number)Meggitt North Hollywood Inc
3020-00-788-154460133POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Aerocontrolex Group, Inc. Div Talley Actuators
5330-00-826-582282S0312R001POSSIBLE MATCH
GASKET
Possible match (shared part number)Ametek Inc Schutte and Koerting Div
3040-01-300-920060133POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Level 10 Industries, Inc. Div Level 10 Industries
6625-01-373-3155POSSIBLE MATCH
AMMETER
Possible match (shared part number)
2610-01-571-409860133POSSIBLE MATCH
TIRE,PNEUMATIC,VEHICULAR
Possible match (shared part number)Carlisle Tire & Wheel Co
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
60133
3/9Design control — primary reference
Futurecraft Corp Sub of South Bend Controls Inc
Related Parts
2810-00-082-5297POSSIBLE MATCH
FLANGE,INTAKE PIPE
60133
5935-00-490-0271POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
4820-00-719-4689POSSIBLE MATCH
PARTS KIT,LINEAR DIRECTIONAL CON
60133
3020-00-788-1544POSSIBLE MATCH
GEAR,SPUR
60133
5330-00-826-5822POSSIBLE MATCH
GASKET
82S0312R001
3040-01-300-9200POSSIBLE MATCH
CONNECTING LINK,RIGID
60133
6625-01-373-3155POSSIBLE MATCH
AMMETER
2610-01-571-4098POSSIBLE MATCH
TIRE,PNEUMATIC,VEHICULAR
60133
Frequently Asked Questions
What is NSN 4820-00-015-1982?
NSN 4820-00-015-1982 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-015-1982?
8 possible matches (shared part number, not a government interchangeability claim): 2810-00-082-5297, 5935-00-490-0271, 4820-00-719-4689. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-015-1982?
Key specifications for 4820-00-015-1982: Flow Control Device: POPPET; Connection Style: FLARED (TUBE) ALL ENDS; Style Designator: STRAIGHT THRU; Operating Pressure: 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 12 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-015-1982 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.