NSN 5845-01-294-2320 — this item is cataloged by the U.S. Government under National Stock Number 5845-01-294-2320. Manufacturer of record part number: 5266146.
General Characteristics Item Description: ALUMINUM ALLOY QQ-A-250/11,QQ-A-225/8,OR QQ-A-200/8,6061-T651; ANODIZE PER MIL-A-8625,TYPE 3,CLASS 2,BLACK; 125.0 IN. MICROINCH FINISH ON MACHINED SURFACES; 3.937 IN. LONG; 7.750 IN. GREATEST DIAMETER; TWO HOLES 0.437-20 UNF-2B; SIX HOLES 0.316 IN. DIAMETER ON 7.125 IN. BOLT CIRCLE; FOUR THREADED INSERTS 2.375 IN. AND 1.000 IN. CENTER TO CENTER DISTANCES; INTERIOR OPEN 5.503 IN. DIAMETER BY 3.750 IN. DEEP IN
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 5845-01-294-2320
NIIN: 012942320
FSC: 5845 — Underwater Sound Equipment
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: 5266146
Manufacturer: Naval Sea Systems Command
General Description
The Housing,upper, cataloged under National Stock Number 5845-01-294-2320, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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
5845-01-294-2320
Primary Part Number
5266146
Item Name
Housing,upper
FSC / FSG
5845 / 58 — Underwater Sound Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY QQ-A-250/11,QQ-A-225/8,OR QQ-A-200/8,6061-T651; ANODIZE PER MIL-A-8625,TYPE 3,CLASS 2,BLACK; 125.0 IN. MICROINCH FINISH ON MACHINED SURFACES; 3.937 IN. LONG; 7.750 IN. GREATEST DIAMETER; TWO HOLES 0.437-20 UNF-2B; SIX HOLES 0.316 IN. DIAMETER ON 7.125 IN. BOLT CIRCLE; FOUR THREADED INSERTS 2.375 IN. AND 1.000 IN. CENTER TO CENTER DISTANCES; INTERIOR OPEN 5.503 IN. DIAMETER BY 3.750 IN. DEEP IN
Other items in FSC 5845 — Underwater Sound Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5845-00-001-3622
5845-00-001-3622 · Item name not on file
5845-00-001-3623
5845-00-001-3623 · Item name not on file
5845-00-001-3625
DETECTING-RANGING SET SUBASSEMBL
5845-00-001-3627
5845-00-001-3627 · Item name not on file
5845-00-001-3628
5845-00-001-3628 · Item name not on file
5845-00-001-3629
5845-00-001-3629 · Item name not on file
5845-00-001-8053
5845-00-001-8053 · Item name not on file
5845-00-003-0332
5845-00-003-0332 · Item name not on file
Frequently Asked Questions
What is NSN 5845-01-294-2320?
NSN 5845-01-294-2320 is a Housing,upper, manufactured by Naval Sea Systems Command, classified under FSC 5845, Underwater Sound Equipment. Status: active.
What part numbers are listed for NSN 5845-01-294-2320?
NSN 5845-01-294-2320 has 2 manufacturer part numbers on file: 5266146 (Raytheon Company Dba Raytheon Co), 5266146 (Naval Sea Systems Command).
What are the specifications of 5266146?
Key specifications for 5266146: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-250/11,QQ-A-225/8,OR QQ-A-200/8,6061-T651; ANODIZE PER MIL-A-8625,TYPE 3,CLASS 2,BLACK; 125.0 IN. MICROINCH FINISH ON MACHINED SURFACES; 3.937 IN. LONG; 7.750 IN. GREATEST DIAMETER; TWO HOLES 0.437-20 UNF-2B; SIX HOLES 0.316 IN. DIAMETER ON 7.125 IN. BOLT CIRCLE; FOUR THREADED INSERTS 2.375 IN. AND 1.000 IN. CENTER TO CENTER DISTANCES; INTERIOR OPEN 5.503 IN. DIAMETER BY 3.750 IN. DEEP IN; End Item Identification: 5845-01-239-3041. 1 specification is documented in the U.S. Government catalog.
Is NSN 5845-01-294-2320 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.