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NSN 4820-01-607-3291Government record, cited

Valve, Check4820-01-607-3291

NSN 4820-01-607-3291 · NIIN 016073291 · Part number MPCO12SI-NY
Plast-O-Matic Valves, Incorporated · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3CTH6
Government record, cited
NSN 4820-01-607-3291 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-607-3291. Manufacturer of record part number: MPCO12SI-NY.
Also searched as  4820-01-607-3291 · 4820016073291 · NIIN 016073291 · 01-607-3291 · FSC 4820 Valves, Nonpowered · CAGE 3CTH6 · MPCO12SI-NY
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Nominal Outside Diameter Tube Accommodated: 0.125 INCHES ALL ENDS IN
  • Valve Size: 0.750 INCHES IN
  • Face to Face Distance: 1.625 INCHES IN
  • Material: RUBBER SEAT
  • Material: PLASTIC POLYAMIDE NYLON BODY
Identification
  • NSN: 4820-01-607-3291
  • NIIN: 016073291
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: MPCO12SI-NY
  • Manufacturer: Plast-O-Matic Valves, Incorporated
General Description

The Valve,check, cataloged under National Stock Number 4820-01-607-3291, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Plast-O-Matic Valves, Incorporated. Government technical data includes 8 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-607-3291
Primary Part NumberMPCO12SI-NY
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerPlast-O-Matic Valves, Incorporated
StatusACTIVE
Connection TypeUNTHREADED EXTERNAL TUBE ALL ENDS
Style DesignatorSTRAIGHT THRU
Nominal Outside Diameter Tube Accommodated0.125 INCHES ALL ENDS IN
Valve Size0.750 INCHES IN
Face to Face Distance1.625 INCHES IN
MaterialRUBBER SEAT
MaterialPLASTIC POLYAMIDE NYLON BODY
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
MPCO12SI-NY PRIMARY Plast-O-Matic Valves, Incorporated (USA)
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 4820-01-607-3291?

NSN 4820-01-607-3291 is a Valve,check, manufactured by Plast-O-Matic Valves, Incorporated, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-607-3291?

NSN 4820-01-607-3291 has 1 manufacturer part number on file: MPCO12SI-NY (Plast-O-Matic Valves, Incorporated).

What are the specifications of MPCO12SI-NY?

Key specifications for MPCO12SI-NY: Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU; Nominal Outside Diameter Tube Accommodated: 0.125 INCHES ALL ENDS IN; Valve Size: 0.750 INCHES IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-607-3291 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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