NSN 4810-01-508-6079 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-508-6079. Manufacturer of record part number: 209-6937441 ITEM 42.
Valve Model Number for Which Designed: MSW 16/14 HULL AND BACKUP VALVE
Outside Diameter: 18.995 INCHES NOMINAL IN
Valve Design Control Activity: 80064
Material: PLASTIC
1 manufacturer part number on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 4810-01-508-6079
NIIN: 015086079
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: 209-6937441 ITEM 42
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Piston,valve, cataloged under National Stock Number 4810-01-508-6079, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4810-01-508-6079
Primary Part Number
209-6937441 ITEM 42
Item Name
Piston,valve
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
Valve Type for Which Designed
RELIEF
Valve Model Number for Which Designed
MSW 16/14 HULL AND BACKUP VALVE
Outside Diameter
18.995 INCHES NOMINAL IN
Valve Design Control Activity
80064
Material
PLASTIC
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.
3120-01-508-7523209-6937441POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
5305-01-509-0442209-6937441 ITEMS 153, 154POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
5365-01-509-2501209-6937441 ITEM 43POSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
3110-01-509-2899209-6937441 ITEM 70POSSIBLE MATCH
PLATE,RETAINING,BEARING
Possible match (shared part number)Naval Sea Systems Command
5330-01-509-3422209-6937441 ITEM 58POSSIBLE MATCH
PACKING,PREFORMED
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
5330-01-509-3571209-6937441 ITEM 54POSSIBLE MATCH
RETAINER,SEAL
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
209-6937441
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
Related Parts
3120-01-508-7523POSSIBLE MATCH
BUSHING,SLEEVE
209-6937441
5305-01-509-0442POSSIBLE MATCH
SCREW,SHOULDER
209-6937441 ITEMS 153, 154
5365-01-509-2501POSSIBLE MATCH
PLUG,MACHINE THREAD
209-6937441 ITEM 43
3110-01-509-2899POSSIBLE MATCH
PLATE,RETAINING,BEARING
209-6937441 ITEM 70
5330-01-509-3422POSSIBLE MATCH
PACKING,PREFORMED
209-6937441 ITEM 58
5330-01-509-3571POSSIBLE MATCH
RETAINER,SEAL
209-6937441 ITEM 54
Frequently Asked Questions
What is NSN 4810-01-508-6079?
NSN 4810-01-508-6079 is a Piston,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-508-6079?
NSN 4810-01-508-6079 has 1 manufacturer part number on file: 209-6937441 ITEM 42 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 4810-01-508-6079?
6 possible matches (shared part number, not a government interchangeability claim): 3120-01-508-7523, 5305-01-509-0442, 5365-01-509-2501. Verify interchangeability with system specifications before substitution.
What are the specifications of 209-6937441 ITEM 42?
Key specifications for 209-6937441 ITEM 42: Valve Type for Which Designed: RELIEF; Valve Model Number for Which Designed: MSW 16/14 HULL AND BACKUP VALVE; Outside Diameter: 18.995 INCHES NOMINAL IN; Special Features: MATERIAL: DELRIN; WIDTH: 1.617 IN. NOM. IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4810-01-508-6079 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.