NSN 4820-01-339-8315 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-339-8315. Manufacturer of record part number: 704-6294478-10.
General Characteristics Item Description: CORROSION RESISTING STEEL,QQ-S-763;0.938 IN.LG; 0.875 IN.OD IN
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4820-01-339-8315
NIIN: 013398315
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 704-6294478-10
Manufacturer: Naval Sea Systems Command
General Description
The Retainer,check Valve, cataloged under National Stock Number 4820-01-339-8315, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-339-8315
Primary Part Number
704-6294478-10
Item Name
Retainer,check Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
General Characteristics Item Description
CORROSION RESISTING STEEL,QQ-S-763;0.938 IN.LG; 0.875 IN.OD IN
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-339-8315?
NSN 4820-01-339-8315 is a Retainer,check Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-339-8315?
NSN 4820-01-339-8315 has 1 manufacturer part number on file: 704-6294478-10 (Naval Sea Systems Command).
What are the specifications of 704-6294478-10?
Key specifications for 704-6294478-10: General Characteristics Item Description: CORROSION RESISTING STEEL,QQ-S-763;0.938 IN.LG; 0.875 IN.OD IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-339-8315 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.