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NSN 4820-00-940-7359Government record, cited

Valve, Check4820-00-940-7359

NSN 4820-00-940-7359 · NIIN 009407359 · Part number 4CV643
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 26044
Government record, cited
NSN 4820-00-940-7359 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-940-7359. Manufacturer of record part number: 4CV643.
Also searched as  4820-00-940-7359 · 4820009407359 · NIIN 009407359 · 00-940-7359 · FSC 4820 Valves, Nonpowered · CAGE 26044 · 4CV643 · 6846669 · 6846669
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • Connection Style: FLARED (TUBE) FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Style Designator: STRAIGHT THRU
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Direction: RIGHT-HAND FIRST END
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
Identification
  • NSN: 4820-00-940-7359
  • NIIN: 009407359
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 4CV643
  • Manufacturer: Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
General Description

The Valve,check, cataloged under National Stock Number 4820-00-940-7359, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Saf Industries Llc Dba Saf Industries Llc Div Garkenyon. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
ParameterValue
NSN4820-00-940-7359
Primary Part Number4CV643
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSaf Industries Llc Dba Saf Industries Llc Div Garkenyon
StatusACTIVE
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Style DesignatorSTRAIGHT THRU
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread DirectionRIGHT-HAND FIRST END
Nominal Thread Size0.438 INCHES FIRST END IN
Seat Angle37.0 DEGREES FIRST END
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Thread Class3A FIRST END A
Thread Quantity Per Inch20 FIRST END
Thread Series DesignatorUNF FIRST END
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeF
Cross-Reference Index
Part NumberManufacturer
4CV643 PRIMARY Saf Industries Llc Dba Saf Industries Llc Div Garkenyon (USA)
6846669 Rolls-Royce Corporation (USA)
Reference documents
ReferenceMeaning
6846669 5/9 Secondary reference
Allison Transmission Inc Dba Allison Transmission, Inc
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 4820-00-940-7359?

NSN 4820-00-940-7359 is a Valve,check, manufactured by Saf Industries Llc Dba Saf Industries Llc Div Garkenyon, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-940-7359?

NSN 4820-00-940-7359 has 2 manufacturer part numbers on file: 4CV643 (Saf Industries Llc Dba Saf Industries Llc Div Garkenyon), 6846669 (Rolls-Royce Corporation).

What are the specifications of 4CV643?

Key specifications for 4CV643: Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Style Designator: STRAIGHT THRU; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-940-7359 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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