General Characteristics Item Description: 6.750 IN. OD; 4 THRU HOLES,0.891 IN. DIA IN
Identification
NSN: 4820-01-216-6833
NIIN: 012166833
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Coupling Assembly,stem, cataloged under National Stock Number 4820-01-216-6833, 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1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-216-6833
Item Name
Coupling Assembly,stem
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
General Characteristics Item Description
6.750 IN. OD; 4 THRU HOLES,0.891 IN. DIA IN
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.
4820-01-216-7010803-4384538 SH 14 PIECE 2POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-216-7011803-4384538 SH 15 PIECE 11POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
5365-01-222-3391810-4384538 SH 17 PC 34POSSIBLE MATCH
RING,EXTERNALLY THREADED
Possible match (shared part number)Naval Ship Systems Command
5365-01-236-6403810-4384538POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-633-7157POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
803-4384538 PIECE 119
5/2Secondary reference
U.S. Government activity
803-4384538
D/9Drawing number reference only
U.S. Government activity
810-4384538
D/9Drawing number reference only
U.S. Government activity
810-4384538 PIECE 119
3/2Design control — primary reference
U.S. Government activity
Related Parts
4820-01-216-7010POSSIBLE MATCH
DISK,VALVE
803-4384538 SH 14 PIECE 2
4820-01-216-7011POSSIBLE MATCH
DISK,VALVE
803-4384538 SH 15 PIECE 11
5365-01-222-3391POSSIBLE MATCH
RING,EXTERNALLY THREADED
810-4384538 SH 17 PC 34
5365-01-236-6403POSSIBLE MATCH
SPACER,RING
810-4384538
4820-01-633-7157POSSIBLE MATCH
STEM,FLUID VALVE
Frequently Asked Questions
What is NSN 4820-01-216-6833?
NSN 4820-01-216-6833 is a Coupling Assembly,stem, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-216-6833?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-216-7010, 4820-01-216-7011, 5365-01-222-3391. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-216-6833?
Key specifications for 4820-01-216-6833: General Characteristics Item Description: 6.750 IN. OD; 4 THRU HOLES,0.891 IN. DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-216-6833 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.