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NSN 1550-01-591-7946Government record, cited

Unmanned Aircraft System1550-01-591-7946

NSN 1550-01-591-7946 · NIIN 015917946 · Part number RQ-21A
Insitu, Inc. · FSC 1550 — Unmanned Aircraft · FSG 15 — Aircraft and Airframe Components · CAGE 02FP7
Government record, cited
NSN 1550-01-591-7946 — this item is cataloged by the U.S. Government under National Stock Number 1550-01-591-7946. Manufacturer of record part number: RQ-21A.
Also searched as  1550-01-591-7946 · 1550015917946 · NIIN 015917946 · 01-591-7946 · FSC 1550 Unmanned Aircraft · CAGE 02FP7 · RQ-21A · 1550PL1905760
Nearby stock numbers  ·
Features
  • Unmanned Aircraft System — FSC 1550
  • 1 manufacturer part number on file
  • Manufacturer of record: Insitu, Inc.
Identification
  • NSN: 1550-01-591-7946
  • NIIN: 015917946
  • FSC: 1550 — Unmanned Aircraft
  • FSG: 15 — Aircraft and Airframe Components
  • Primary part number: RQ-21A
  • Manufacturer: Insitu, Inc.
General Description

The Unmanned Aircraft System, cataloged under National Stock Number 1550-01-591-7946, is classified within Federal Supply Class 1550 (Unmanned Aircraft) of the Aircraft and Airframe Components group. The manufacturer of record is Insitu, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
NSN1550-01-591-7946
Primary Part NumberRQ-21A
Item NameUnmanned Aircraft System
FSC / FSG1550 / 15 — Unmanned Aircraft
ManufacturerInsitu, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL C — Remove/Demil Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
RQ-21A PRIMARY Insitu, Inc. (USA)
Reference documents
ReferenceMeaning
1550PL1905760 6/9 Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
No interchangeability data on file.
Other items in FSC 1550 — Unmanned Aircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1550-00-014-0599
1550-00-014-0599 · Item name not on file
1550-00-050-8938
1550-00-050-8938 · Item name not on file
1550-00-069-8877
1550-00-069-8877 · Item name not on file
1550-00-107-4384
1550-00-107-4384 · Item name not on file
1550-00-148-6432
1550-00-148-6432 · Item name not on file
1550-00-148-6433
1550-00-148-6433 · Item name not on file
1550-00-148-6497
TARGET DRONE
1550-00-181-5593
1550-00-181-5593 · Item name not on file

Frequently Asked Questions

What is NSN 1550-01-591-7946?

NSN 1550-01-591-7946 is a Unmanned Aircraft System, manufactured by Insitu, Inc., classified under FSC 1550, Unmanned Aircraft. Status: active.

What part numbers are listed for NSN 1550-01-591-7946?

NSN 1550-01-591-7946 has 1 manufacturer part number on file: RQ-21A (Insitu, Inc.).

What are the specifications of RQ-21A?

Key specifications for RQ-21A: End Item Identification: TIER II/UAV/PMA-263. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1550-01-591-7946 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.

What is the DEMIL code for NSN 1550-01-591-7946?

NSN 1550-01-591-7946 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.

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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