NSN 4810-01-498-2149 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-498-2149. Manufacturer of record part number: 342-7107384-5.
Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR
Outside Diameter: 2.104 INCHES MINIMUM AND 2.105 INCHES MAXIMUM IN
Valve Design Control Activity: 96169
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4810-01-498-2149
NIIN: 014982149
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: 342-7107384-5
Manufacturer: Naval Sea Systems Command
General Description
The Piston,valve, cataloged under National Stock Number 4810-01-498-2149, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4810-01-498-2149
Primary Part Number
342-7107384-5
Item Name
Piston,valve
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Valve Type for Which Designed
DIRECTIONAL CONTROL LINEAR
Outside Diameter
2.104 INCHES MINIMUM AND 2.105 INCHES MAXIMUM IN
Valve Design Control Activity
96169
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-498-2200342-7107384-A1POSSIBLE MATCH
HEAD,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-498-9320342-7107384-34POSSIBLE MATCH
BODY,VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-499-8099342-7107384-6POSSIBLE MATCH
RING,VALVE PISTON
Possible match (shared part number)Naval Sea Systems Command
4810-01-589-4941342-7107384-A2POSSIBLE MATCH
HEAD,VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-589-4946342-7107384-56POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
5340-01-719-09337107384-76POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
NSN 4810-01-498-2149 is a Piston,valve, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-498-2149?
NSN 4810-01-498-2149 has 1 manufacturer part number on file: 342-7107384-5 (Naval Sea Systems Command).
What NSN replaces 4810-01-498-2149?
6 possible matches (shared part number, not a government interchangeability claim): 4810-01-498-2200, 4820-01-498-9320, 4810-01-499-8099. Verify interchangeability with system specifications before substitution.
What are the specifications of 342-7107384-5?
Key specifications for 342-7107384-5: Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR; Outside Diameter: 2.104 INCHES MINIMUM AND 2.105 INCHES MAXIMUM IN; Overall Length: 23.870 INCHES NOMINAL IN; Valve Design Control Activity: 96169. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4810-01-498-2149 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.