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NSN 4520-01-310-4381Government record, cited

Pipe, Air Conditioning-Heating4520-01-310-4381

NSN 4520-01-310-4381 · NIIN 013104381 · Part number 1767K11
Mcmaster-Carr Supply Co · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 39428
Government record, cited
NSN 4520-01-310-4381 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-310-4381. Manufacturer of record part number: 1767K11.
Also searched as  4520-01-310-4381 · 4520013104381 · NIIN 013104381 · 01-310-4381 · FSC 4520 Space and Water Heating Equipment · CAGE 39428 · 1767K11
Nearby stock numbers  ·
Features
  • Pipe,air Conditioning-Heating — FSC 4520
  • Length: 36.000 INCHES NOMINAL IN
  • Shape: ROUND
  • Construction: SINGLE
  • Material: STEEL COMP 304
  • Cross-Sectional Diameter: 3.000 INCHES NOMINAL IN
  • Material Thickness: 0.0179 INCHES IN
  • 1 manufacturer part number on file
Identification
  • NSN: 4520-01-310-4381
  • NIIN: 013104381
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 1767K11
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Pipe,air Conditioning-Heating, cataloged under National Stock Number 4520-01-310-4381, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 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
NSN4520-01-310-4381
Primary Part Number1767K11
Item NamePipe,air Conditioning-Heating
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Length36.000 INCHES NOMINAL IN
ShapeROUND
ConstructionSINGLE
MaterialSTEEL COMP 304
Cross-Sectional Diameter3.000 INCHES NOMINAL IN
Material Thickness0.0179 INCHES IN
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
1767K11 PRIMARY Mcmaster-Carr Supply Co (USA)
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-01-310-4381?

NSN 4520-01-310-4381 is a Pipe,air Conditioning-Heating, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-310-4381?

NSN 4520-01-310-4381 has 1 manufacturer part number on file: 1767K11 (Mcmaster-Carr Supply Co).

What are the specifications of 1767K11?

Key specifications for 1767K11: Length: 36.000 INCHES NOMINAL IN; Shape: ROUND; Construction: SINGLE; Special Features: BOTH ENDS CRIMPED FOR EASY INSTALLATION. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-310-4381 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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