NSN 4820-01-062-9438 · NIIN 010629438 · Part number 20400-001Q5
Naval Inventory Control Point Mechanicsburg · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03950
Government record, cited
NSN 4820-01-062-9438 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-062-9438. Manufacturer of record part number: 20400-001Q5.
Reference Number Differentiating Characteristics: AN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED
1 manufacturer part number on file
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 4820-01-062-9438
NIIN: 010629438
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20400-001Q5
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-062-9438, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-062-9438
Primary Part Number
20400-001Q5
Item Name
Valve,linear,directional Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Inventory Control Point Mechanicsburg
Status
ACTIVE
Criticality Code Justification
ZZZY
Reference Number Differentiating Characteristics
AN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
S
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-123-219820400-410POSSIBLE MATCH
SLIDE SLEEVE,VALVE ASSEMBLY
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-123-307220400-460POSSIBLE MATCH
RETAINER,VALVE STEM
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-123-572220400-1040POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-123-691520400-1030POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5340-01-154-662920400-1153POSSIBLE MATCH
BRACKET,HANDLE,VALV
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-176-288820400-470POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
1560-01-689-6920204000-01POSSIBLE MATCH
WINDSHIELD PANEL,AIRCRAFT
Possible match (shared part number)Ppg Industries, Inc. Div Aerospace
NSN 4820-01-062-9438 is a Valve,linear,directional Control, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-062-9438?
NSN 4820-01-062-9438 has 1 manufacturer part number on file: 20400-001Q5 (Naval Inventory Control Point Mechanicsburg).
What NSN replaces 4820-01-062-9438?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-123-2198, 4820-01-123-3072, 3040-01-123-5722. Verify interchangeability with system specifications before substitution.
What are the specifications of 20400-001Q5?
Key specifications for 20400-001Q5: Criticality Code Justification: ZZZY; End Item Identification: VALVE ASSEMBLY SIZE 2; Reference Number Differentiating Characteristics: AN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-062-9438 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.
What is the DEMIL code for NSN 4820-01-062-9438?
NSN 4820-01-062-9438 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.