PartsTable TECHNICAL DATA SHEET
NSN 4820-01-453-3288Government record, cited

Valve, Safety Relief4820-01-453-3288

NSN 4820-01-453-3288 · NIIN 014533288 · Part number 0020-D01-MC0020
Anderson Greenwood Lp Dba Anderson Greenwood Crosby · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 01343
Government record, cited
NSN 4820-01-453-3288 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-3288. Manufacturer of record part number: 0020-D01-MC0020.
Also searched as  4820-01-453-3288 · 4820014533288 · NIIN 014533288 · 01-453-3288 · FSC 4820 Valves, Nonpowered · CAGE 01343 · 0020-D01-MC0020
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: DISK
  • Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Style Designator: ANGLE
  • Thread Direction: RIGHT-HAND ALL ENDS
Identification
  • NSN: 4820-01-453-3288
  • NIIN: 014533288
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 0020-D01-MC0020
  • Manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-453-3288, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 11 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
NSN4820-01-453-3288
Primary Part Number0020-D01-MC0020
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Flow Control DeviceDISK
Connection StylePLAIN,OPTIONAL END(PIPE) SECOND END
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Style DesignatorANGLE
Thread DirectionRIGHT-HAND ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPT ALL ENDS
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
0020-D01-MC0020 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (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
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 4820-01-453-3288?

NSN 4820-01-453-3288 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-453-3288?

NSN 4820-01-453-3288 has 1 manufacturer part number on file: 0020-D01-MC0020 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What are the specifications of 0020-D01-MC0020?

Key specifications for 0020-D01-MC0020: Flow Control Device: DISK; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED INTERNAL PIPE SECOND END. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-453-3288 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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