General Characteristics Item Description: CRES;0.812 IN. THK IN
Identification
NSN: 4820-01-108-7803
NIIN: 011087803
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Cam,valve, cataloged under National Stock Number 4820-01-108-7803, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-108-7803
Item Name
Cam,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
General Characteristics Item Description
CRES;0.812 IN. THK 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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-115-2740412-4678003 ITEM 6POSSIBLE MATCH
PLATE,INDICATOR
Possible match (shared part number)Naval Ship Systems Command
4820-01-115-2741412-4678003 ITEM 3POSSIBLE MATCH
RETAINER,SEAL
Possible match (shared part number)Naval Ship Systems Command
4820-01-115-276187684-1503 ITEM 7POSSIBLE MATCH
RETAINER,BACK-UP VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-119-525087684-1503 ITEM 9POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
412-4678003 ITEM 8
5/2Secondary reference
U.S. Government activity
87684-1503 ITEM 8
3/2Design control — primary reference
U.S. Government activity
412-4678003
D/9Drawing number reference only
U.S. Government activity
Related Parts
4820-01-115-2740POSSIBLE MATCH
PLATE,INDICATOR
412-4678003 ITEM 6
4820-01-115-2741POSSIBLE MATCH
RETAINER,SEAL
412-4678003 ITEM 3
4820-01-115-2761POSSIBLE MATCH
RETAINER,BACK-UP VALVE
87684-1503 ITEM 7
3040-01-119-5250POSSIBLE MATCH
SHAFT,SHOULDERED
87684-1503 ITEM 9
Frequently Asked Questions
What is NSN 4820-01-108-7803?
NSN 4820-01-108-7803 is a Cam,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-108-7803?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-115-2740, 4820-01-115-2741, 4820-01-115-2761. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-108-7803?
Key specifications for 4820-01-108-7803: General Characteristics Item Description: CRES;0.812 IN. THK IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-108-7803 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.