NSN 5331-01-590-6221 · NIIN 015906221 · Part number H1261
Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 7J998
Government record, cited
NSN 5331-01-590-6221 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-590-6221. Manufacturer of record part number: H1261.
Manufacturer of record: Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
Identification
NSN: 5331-01-590-6221
NIIN: 015906221
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: H1261
Manufacturer: Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
General Description
The O-Ring, cataloged under National Stock Number 5331-01-590-6221, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-01-590-6221
Primary Part Number
H1261
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING
Frequently Asked Questions
What is NSN 5331-01-590-6221?
NSN 5331-01-590-6221 is a O-Ring, manufactured by Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-590-6221?
NSN 5331-01-590-6221 has 2 manufacturer part numbers on file: H1261 (Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division), 9464K65 (Mcmaster-Carr Supply Co).
What are the specifications of H1261?
Key specifications for H1261: End Item Identification: AIR FORCE SUB-SCALE AERIAL TARGET (AFSAT). 0 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-590-6221 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.