Valve, Check 4820-01-568-1791 NSN 4820-01-568-1791 · NIIN 015681791 · Part number 6131507C1
Nd Defense Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 338X5
NSN 4820-01-568-1791 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-568-1791. Manufacturer of record part number: 6131507C1 .
Also searched as
4820-01-568-1791 ·
4820015681791 ·
NIIN 015681791 ·
01-568-1791 ·
FSC 4820 Valves, Nonpowered · CAGE 338X5 · 6131507C1 · Q68PMTCK-6-MA22 · Q68PTCCKP-6-MA22 · 3825830C1
Nearby stock numbers
← 4820-01-568-1775 Parts Kit, Valve
·
4820-01-568-2016 Cock, Plug →
4820-01-568-1791 — Valves, Nonpowered
Features
Valve,check — FSC 4820 1 manufacturer part number on file Manufacturer of record: Nd Defense Llc
Identification
NSN: 4820-01-568-1791
NIIN: 015681791
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6131507C1
Manufacturer: Nd Defense Llc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-568-1791, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nd Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Valve,check FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Nd Defense Llc (CAGE 338X5)
Technical Specifications
Parameter Value NSN 4820-01-568-1791 Primary Part Number 6131507C1 Item Name Valve,check FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Nd Defense Llc Status ACTIVE
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
Cross-Reference Index
Part Number Manufacturer
6131507C1 Nd Defense Llc (USA)
Reference documents
Reference Meaning
Q68PMTCK-6-MA22
5/9 Secondary reference U.S. Government activity
Q68PTCCKP-6-MA22
3/2 Design control — primary reference U.S. Government activity
3825830C1
5/9 Secondary reference Nd Defense Llc
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-568-1791?
NSN 4820-01-568-1791 is a Valve,check, manufactured by Nd Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-568-1791?
NSN 4820-01-568-1791 has 1 manufacturer part number on file: 6131507C1 (Nd Defense Llc).
Is NSN 4820-01-568-1791 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.
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