General Characteristics Item Description: ALUMINUM ALLOY,AISI 2024-T351,ANODIZE PER MIL-A-8625,TYPE 2,DYED RED,2.125 IN. OD,0.062 IN. THK,0.520 IN. H,0.781 IN. ID,FOUR HOLES 0.312 IN. DIA EQUAL SPACED ON 1.620 IN. BOLT CIRCLE IN
Identification
NSN: 5840-01-030-9834
NIIN: 010309834
FSC: 5840 — Radar Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
General Description
The Hat,stop,valve, cataloged under National Stock Number 5840-01-030-9834, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5840-01-030-9834
Item Name
Hat,stop,valve
FSC / FSG
5840 / 58 — Radar Equipment, Except Airborne
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY,AISI 2024-T351,ANODIZE PER MIL-A-8625,TYPE 2,DYED RED,2.125 IN. OD,0.062 IN. THK,0.520 IN. H,0.781 IN. ID,FOUR HOLES 0.312 IN. DIA EQUAL SPACED ON 1.620 IN. BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
A361-131-15
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5840 — Radar Equipment, Except Airborne
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5840-00-001-1605
5840-00-001-1605 · Item name not on file
5840-00-001-1606
5840-00-001-1606 · Item name not on file
5840-00-001-1607
5840-00-001-1607 · Item name not on file
5840-00-001-1608
5840-00-001-1608 · Item name not on file
5840-00-001-1609
5840-00-001-1609 · Item name not on file
5840-00-001-1610
5840-00-001-1610 · Item name not on file
5840-00-001-1611
5840-00-001-1611 · Item name not on file
5840-00-001-1612
5840-00-001-1612 · Item name not on file
Frequently Asked Questions
What is NSN 5840-01-030-9834?
NSN 5840-01-030-9834 is a Hat,stop,valve, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
What are the specifications of 5840-01-030-9834?
Key specifications for 5840-01-030-9834: General Characteristics Item Description: ALUMINUM ALLOY,AISI 2024-T351,ANODIZE PER MIL-A-8625,TYPE 2,DYED RED,2.125 IN. OD,0.062 IN. THK,0.520 IN. H,0.781 IN. ID,FOUR HOLES 0.312 IN. DIA EQUAL SPACED ON 1.620 IN. BOLT CIRCLE IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 5840-01-030-9834 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.