Reference Number Differentiating Characteristics: SELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
Identification
NSN: 4820-01-062-4577
NIIN: 010624577
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-062-4577, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-062-4577
Item Name
Valve,linear,directional Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Reference Number Differentiating Characteristics
SELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-122-340120476-421POSSIBLE MATCH
LEVER,MANUAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-122-372820481-1020POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-133-407620481-1060POSSIBLE MATCH
COVER,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-298-227120481-450POSSIBLE MATCH
LEVER,MANUAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
NSN 4820-01-062-4577 is a Valve,linear,directional Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-062-4577?
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-122-3401, 3040-01-122-3728, 4820-01-133-4076. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-062-4577?
Key specifications for 4820-01-062-4577: Reference Number Differentiating Characteristics: SELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-062-4577 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 4820-01-062-4577?
NSN 4820-01-062-4577 has DEMIL Code B. 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.