PartsTable TECHNICAL DATA SHEET
NSN 4820-01-270-6401Government record, cited

Valve, Globe4820-01-270-6401

NSN 4820-01-270-6401 · NIIN 012706401 · Part number 3644XU 1 1/4IN
Crane Co Div Valve Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 14959
Government record, cited
NSN 4820-01-270-6401 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-270-6401. Manufacturer of record part number: 3644XU 1 1/4IN.
Also searched as  4820-01-270-6401 · 4820012706401 · NIIN 012706401 · 01-270-6401 · FSC 4820 Valves, Nonpowered · CAGE 14959 · 3644XU 1 1/4IN
Nearby stock numbers  ·
Features
  • Valve,globe — FSC 4820
  • Flow Control Device: DISK
  • Material Document and Classification: ASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE STEM
  • Material Document and Classification: ASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Material Document and Classification: ASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Material Document and Classification: ASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Valve Size: 1.250 INCHES IN
  • Bonnet Type: OUTSIDE SCREW-YOKE
Identification
  • NSN: 4820-01-270-6401
  • NIIN: 012706401
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 3644XU 1 1/4IN
  • Manufacturer: Crane Co Div Valve Div
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-270-6401, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 10 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
NSN4820-01-270-6401
Primary Part Number3644XU 1 1/4IN
Item NameValve,globe
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCrane Co Div Valve Div
StatusACTIVE
Flow Control DeviceDISK
Material Document and ClassificationASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE STEM
Material Document and ClassificationASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Material Document and ClassificationASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
Material Document and ClassificationASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Valve Size1.250 INCHES IN
Bonnet TypeOUTSIDE SCREW-YOKE
Bonnet Attachment MethodBOLTED
MaterialSTEEL CORROSION RESISTING BODY
Valve Operation MethodMANUAL
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
3644XU 1 1/4IN PRIMARY Crane Co Div Valve Div (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 4820-01-270-6401?

NSN 4820-01-270-6401 is a Valve,globe, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-270-6401?

NSN 4820-01-270-6401 has 1 manufacturer part number on file: 3644XU 1 1/4IN (Crane Co Div Valve Div).

What are the specifications of 3644XU 1 1/4IN?

Key specifications for 3644XU 1 1/4IN: Flow Control Device: DISK; Material Document and Classification: ASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: ASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT; Material Document and Classification: ASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE BODY. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-270-6401 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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