PartsTable TECHNICAL DATA SHEET
NSN 4820-01-453-5973Government record, cited

Valve, Calibrated Flow4820-01-453-5973

NSN 4820-01-453-5973 · NIIN 014535973 · Part number 2870-0001-53
Mission Systems Orchard Park Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04577
Government record, cited
NSN 4820-01-453-5973 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-5973. Manufacturer of record part number: 2870-0001-53.
Also searched as  4820-01-453-5973 · 4820014535973 · NIIN 014535973 · 01-453-5973 · FSC 4820 Valves, Nonpowered · CAGE 04577 · 2870-0001-53
Nearby stock numbers  ·
Features
  • Valve,calibrated Flow — FSC 4820
  • Second End Relationship with First End: IDENTICAL
  • Body Style: STRAIGHT THRU
  • First End Style Designator: SOCKET
  • End Connection Quantity: 2
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • First End Nominal Pipe Size Accommodated: 0.500 INCHES IN
  • Material: NICKEL ALLOY BODY
Identification
  • NSN: 4820-01-453-5973
  • NIIN: 014535973
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 2870-0001-53
  • Manufacturer: Mission Systems Orchard Park Inc
General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-453-5973, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-453-5973
Primary Part Number2870-0001-53
Item NameValve,calibrated Flow
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Second End Relationship with First EndIDENTICAL
Body StyleSTRAIGHT THRU
First End Style DesignatorSOCKET
End Connection Quantity2
First End Connection TypeUNTHREADED INTERNAL PIPE
First End Nominal Pipe Size Accommodated0.500 INCHES IN
MaterialNICKEL ALLOY BODY
Media for Which DesignedNITROGEN, LIQUID
Maximum Inlet Pressure RatingERR-060
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
2870-0001-53 PRIMARY Mission Systems Orchard Park Inc (USA)
Reference documents
ReferenceMeaning
2870-0001-53 5/9 Secondary reference
Carleton Technologies Inc Div Tampa Facility
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-453-5973?

NSN 4820-01-453-5973 is a Valve,calibrated Flow, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-453-5973?

NSN 4820-01-453-5973 has 1 manufacturer part number on file: 2870-0001-53 (Mission Systems Orchard Park Inc).

What are the specifications of 2870-0001-53?

Key specifications for 2870-0001-53: Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; First End Style Designator: SOCKET; End Connection Quantity: 2. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-453-5973 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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