PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5002603Case,optical Instrument

Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc · NSN 6650-01-477-9545 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-477-9545 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-477-9545. Primary manufacturer part number: 5002603.
Features
  • Case,optical Instrument — FSC 6650
  • Specific Equipment Accommodated: BINOCULARS
  • Moisture Resistance Feature: NOT INCLUDED
  • Fungus Resistant Feature: NOT INCLUDED
  • 5 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Case,optical Instrument, cataloged under National Stock Number 6650-01-477-9545, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-477-9545
Primary Part Number5002603
Item NameCase,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerHdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
StatusACTIVE
Specific Equipment AccommodatedBINOCULARS
Moisture Resistance FeatureNOT INCLUDED
Fungus Resistant FeatureNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-370-21364032522-0703 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Dba Raytheon Co
2520-00-383-38724-295-897-000-0 INTERCHANGEABLE
Disk,clutch,vehicular
Wichita Clutch Co Inc Sub of Dana Corp
5130-00-724-37035130-00-724-3703 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
7490-00-955-3517 INTERCHANGEABLE
Screw,6-40
6130-01-009-9497 INTERCHANGEABLE
Power Supply
5920-01-015-82232654 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5998-01-134-4718500260-5 INTERCHANGEABLE
Circuit Card Assembly
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
3120-01-239-96322654 INTERCHANGEABLE
Roller,linear-Rotary Motion
Lebus International, Inc.
5330-01-244-69035002603 INTERCHANGEABLE
Gasket
Raytheon Company Dba Raytheon
5136-01-431-6119 INTERCHANGEABLE
Tap Set,thread Cutting
Cross-Reference Index
Part NumberManufacturer
2654 Koszegi Products Inc (USA)
5002603 Hdt Expeditionary Systems, Inc. (USA)
5002603 PRIMARY Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA)
1154 Dept of the Army U S Army Electronics Command Night Vision Laboratory (USA)
5002603 Dept of the Army U S Army Electronics Command Night Vision Laboratory (USA)
Related Parts
5950-00-370-2136INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4032522-0703
2520-00-383-3872INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
4-295-897-000-0
5130-00-724-3703INTERCHANGEABLE
BIT,SCREWDRIVER
5130-00-724-3703
7490-00-955-3517INTERCHANGEABLE
SCREW,6-40
6130-01-009-9497INTERCHANGEABLE
POWER SUPPLY
5920-01-015-8223INTERCHANGEABLE
FUSEHOLDER,BLOCK
2654
5998-01-134-4718INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
500260-5
3120-01-239-9632INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
2654
5330-01-244-6903INTERCHANGEABLE
GASKET
5002603
5136-01-431-6119INTERCHANGEABLE
TAP SET,THREAD CUTTING
5340-01-729-5104INTERCHANGEABLE
BUTTON,PLUG
2654

Frequently Asked Questions

What is NSN 6650-01-477-9545?

NSN 6650-01-477-9545 is a Case,optical Instrument, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-477-9545?

NSN 6650-01-477-9545 has 5 cross-referenced part numbers: 2654 (Koszegi Products Inc), 5002603 (Hdt Expeditionary Systems, Inc.), 5002603 (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc), 1154 (Dept of the Army U S Army Electronics Command Night Vision Laboratory), 5002603 (Dept of the Army U S Army Electronics Command Night Vision Laboratory).

What NSN replaces 6650-01-477-9545?

There are 11 known substitutes for 6650-01-477-9545: 5950-00-370-2136, 2520-00-383-3872, 5130-00-724-3703 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5002603?

Key specifications for 5002603: Overall Width: 5.630 INCHES NOMINAL IN; Overall Height: 6.750 INCHES NOMINAL IN; Specific Equipment Accommodated: BINOCULARS; Moisture Resistance Feature: NOT INCLUDED. 6 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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