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NSN 4820-01-539-8515Government record, cited

Valve, Linear, Directional Control4820-01-539-8515

NSN 4820-01-539-8515 · NIIN 015398515 · Part number EM-1103
Bludot Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0Z899
Government record, cited
NSN 4820-01-539-8515 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-539-8515. Manufacturer of record part number: EM-1103.
Also searched as  4820-01-539-8515 · 4820015398515 · NIIN 015398515 · 01-539-8515 · FSC 4820 Valves, Nonpowered · CAGE 0Z899 · EM-1103
Nearby stock numbers  ·
Features
  • Valve,linear,directional Control — FSC 4820
  • End Connection Quantity: 4
  • Spool Quantity: 1
  • Valve Operation Method: AIR
  • 1 manufacturer part number on file
  • Manufacturer of record: Bludot Inc
Identification
  • NSN: 4820-01-539-8515
  • NIIN: 015398515
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: EM-1103
  • Manufacturer: Bludot Inc
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-539-8515, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bludot Inc. Government technical data includes 3 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
NSN4820-01-539-8515
Primary Part NumberEM-1103
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerBludot Inc
StatusACTIVE
End Connection Quantity4
Spool Quantity1
Valve Operation MethodAIR
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
EM-1103 PRIMARY Bludot Inc (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 4820-01-539-8515?

NSN 4820-01-539-8515 is a Valve,linear,directional Control, manufactured by Bludot Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-539-8515?

NSN 4820-01-539-8515 has 1 manufacturer part number on file: EM-1103 (Bludot Inc).

What are the specifications of EM-1103?

Key specifications for EM-1103: End Connection Quantity: 4; Spool Quantity: 1; Part Name Assigned by Controlling Agency: VALVE, EMERGENCY SPOOL; End Item Identification: TRAILER,BOAT CAP 24000LBS 3 AXLE 3410 DAUNTLESS LBS. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-539-8515 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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