General Characteristics Item Description: PLASTIC BODY;1.110 IN. LG;0.812-16UN EXTERNAL THD;0.158 IN. DIA HOLE RUNNING THROUGH ENTIRE LG OF BODY;0.250 IN. DIA TUBE INSERTED 0.500 IN. DEEP INTO HOLE IN
Identification
NSN: 4820-01-149-7648
NIIN: 011497648
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve Subassembly,fill, cataloged under National Stock Number 4820-01-149-7648, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-149-7648
Item Name
Valve Subassembly,fill
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
General Characteristics Item Description
PLASTIC BODY;1.110 IN. LG;0.812-16UN EXTERNAL THD;0.158 IN. DIA HOLE RUNNING THROUGH ENTIRE LG OF BODY;0.250 IN. DIA TUBE INSERTED 0.500 IN. DEEP INTO HOLE 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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-149-7847POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)
3040-01-149-7848POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)
4710-01-151-3859POSSIBLE MATCH
TUBE,METALLIC
Possible match (shared part number)
3040-01-151-3938POSSIBLE MATCH
ROD,PISTON,LINEAR ACTUATING CYLI
Possible match (shared part number)
4820-01-157-5165POSSIBLE MATCH
BODY,VALVE
Possible match (shared part number)
6650-01-158-6888POSSIBLE MATCH
PLATE
Possible match (shared part number)
4710-01-184-4066POSSIBLE MATCH
TUBE,METALLIC
Possible match (shared part number)
4710-01-184-4487POSSIBLE MATCH
TUBE,METALLIC
Possible match (shared part number)
4710-01-210-9595POSSIBLE MATCH
TUBE,METALLIC
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SS585-2477289 PIECE 41
3/9Design control — primary reference
Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance
SS585-2477289
D/9Drawing number reference only
Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance
2477289-A-41
C/1Advisory reference — outside the item-of-supply concept
Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance
Related Parts
3040-01-149-7847POSSIBLE MATCH
SHAFT,SHOULDERED
3040-01-149-7848POSSIBLE MATCH
SHAFT,SHOULDERED
4710-01-151-3859POSSIBLE MATCH
TUBE,METALLIC
3040-01-151-3938POSSIBLE MATCH
ROD,PISTON,LINEAR ACTUATING CYLI
4820-01-157-5165POSSIBLE MATCH
BODY,VALVE
6650-01-158-6888POSSIBLE MATCH
PLATE
4710-01-184-4066POSSIBLE MATCH
TUBE,METALLIC
4710-01-184-4487POSSIBLE MATCH
TUBE,METALLIC
4710-01-210-9595POSSIBLE MATCH
TUBE,METALLIC
Frequently Asked Questions
What is NSN 4820-01-149-7648?
NSN 4820-01-149-7648 is a Valve Subassembly,fill, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-149-7648?
9 possible matches (shared part number, not a government interchangeability claim): 3040-01-149-7847, 3040-01-149-7848, 4710-01-151-3859. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-149-7648?
Key specifications for 4820-01-149-7648: General Characteristics Item Description: PLASTIC BODY;1.110 IN. LG;0.812-16UN EXTERNAL THD;0.158 IN. DIA HOLE RUNNING THROUGH ENTIRE LG OF BODY;0.250 IN. DIA TUBE INSERTED 0.500 IN. DEEP INTO HOLE IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-149-7648 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.