PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3665Pechan Prism Housing

Valtec Corp Optical Group · NSN 5820-01-097-1093 · FSC 5820 · No Item Name Available
Verified by PartsTable
NSN 5820-01-097-1093 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-097-1093. Primary manufacturer part number: 3665.
Features
  • Pechan Prism Housing — FSC 5820
  • General Characteristics Item Description: ALUMINUM 6061,T6,ANODIZE,3.500 IN. LG,2.395 IN. W IN
  • 1 verified cross-reference
  • Primary manufacturer: Valtec Corp Optical Group
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pechan Prism Housing, cataloged under National Stock Number 5820-01-097-1093, is classified within Federal Supply Class 5820 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Valtec Corp Optical Group. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5820-01-097-1093
Primary Part Number3665
Item NamePechan Prism Housing
FSC / FSG5820 / 58 — No Item Name Available
ManufacturerValtec Corp Optical Group
StatusACTIVE
General Characteristics Item DescriptionALUMINUM 6061,T6,ANODIZE,3.500 IN. LG,2.395 IN. W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5320-00-257-4079 INTERCHANGEABLE
Rivet,tubular
6105-00-760-3962 INTERCHANGEABLE
Motor,direct Current
4130-00-789-2398123447 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
1680-00-933-60363665 INTERCHANGEABLE
Disk Assembly,brake
Aerocontrolex Group, Inc. Div Talley Actuators
6640-00-973-5720 INTERCHANGEABLE
Brush,scale Pan,laboratory
6640-00-973-5721 INTERCHANGEABLE
Brush,scale Pan,laboratory
5120-01-161-19205120-01-161-1920 INTERCHANGEABLE
Blade,nutdriver
General Services Administration Federal Supply Service
5930-01-315-36593665 INTERCHANGEABLE
Switch,sensitive
Ticonium Co Div Cmp Industries Inc
6625-01-526-8176 INTERCHANGEABLE
Test Set,insulation Breakdown
6515-01-541-31403665 INTERCHANGEABLE
Bag,collection,external Drainage
Hollister Inc
Cross-Reference Index
Part NumberManufacturer
3665 Valtec Corp Optical Group (USA)
Related Parts
5320-00-257-4079INTERCHANGEABLE
RIVET,TUBULAR
6105-00-760-3962INTERCHANGEABLE
MOTOR,DIRECT CURRENT
4130-00-789-2398INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
123447
1680-00-933-6036INTERCHANGEABLE
DISK ASSEMBLY,BRAKE
3665
6640-00-973-5720INTERCHANGEABLE
BRUSH,SCALE PAN,LABORATORY
6640-00-973-5721INTERCHANGEABLE
BRUSH,SCALE PAN,LABORATORY
5120-01-161-1920INTERCHANGEABLE
BLADE,NUTDRIVER
5120-01-161-1920
5930-01-315-3659INTERCHANGEABLE
SWITCH,SENSITIVE
3665
6625-01-526-8176INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN
6515-01-541-3140INTERCHANGEABLE
BAG,COLLECTION,EXTERNAL DRAINAGE
3665
6680-01-594-7495INTERCHANGEABLE
TACHOMETER,ELECTRONIC
3665
2590-01-600-0329INTERCHANGEABLE
VEHICULAR AMMO POUCH
3665

Frequently Asked Questions

What is NSN 5820-01-097-1093?

NSN 5820-01-097-1093 is a Pechan Prism Housing, manufactured by Valtec Corp Optical Group, classified under FSC 5820 (No Item Name Available). Status: active.

What are the part numbers for NSN 5820-01-097-1093?

NSN 5820-01-097-1093 has 1 cross-referenced part number: 3665 (Valtec Corp Optical Group).

What NSN replaces 5820-01-097-1093?

There are 12 known substitutes for 5820-01-097-1093: 5320-00-257-4079, 6105-00-760-3962, 4130-00-789-2398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3665?

Key specifications for 3665: General Characteristics Item Description: ALUMINUM 6061,T6,ANODIZE,3.500 IN. LG,2.395 IN. W IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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