PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

8588791Eyeshield,optical Instrument

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 1240-00-892-5517 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-00-892-5517 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-892-5517. Primary manufacturer part number: 8588791.
Features
  • Eyeshield,optical Instrument — FSC 1240
  • Attachment End Inside Diameter: 1.203 INCHES IN
  • Attachment Method: FRICTION
  • Viewing End Inside Diameter: 0.969 INCHES IN
  • Material Document and Classification: MIL-R-3065, GRADE SC405ABFZ MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Criticality Code Justification: ABSX
  • 5 verified cross-references
Applications
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The Eyeshield,optical Instrument, cataloged under National Stock Number 1240-00-892-5517, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-00-892-5517
Primary Part Number8588791
Item NameEyeshield,optical Instrument
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
StatusACTIVE
Attachment End Inside Diameter1.203 INCHES IN
Attachment MethodFRICTION
Viewing End Inside Diameter0.969 INCHES IN
Material Document and ClassificationMIL-R-3065, GRADE SC405ABFZ MIL SPEC SINGLE MATERIAL RESPONSE
MaterialRUBBER CHLOROPRENE CLASS CR
Criticality Code JustificationABSX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 8
1240-00-764-47347644734 SAME_FSC
Sunshade
No Item Name Available
1240-01-068-667612266931 SAME_FSC
Holder,optical Element
1240-01-082-884934433 SAME_FSC
Sight,infinity
No Item Name Available
No Item Name Available
No Item Name Available
Collimator,infinity Aiming Refer
Cross-Reference Index
Part NumberManufacturer
8588791 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
8588791 Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc (USA)
8588791 Basic Rubber and Plastics Co. (USA)
8588791 Minor Rubber Co Inc (USA)
8588791 Aerofab Company, Inc. (USA)
Related Parts
1240-00-764-4734INTERCHANGEABLE
SUNSHADE
7644734
1240-00-987-5071INTERCHANGEABLE
NO ITEM NAME AVAILABLE
1240-01-068-6676INTERCHANGEABLE
HOLDER,OPTICAL ELEMENT
12266931
1240-01-082-8849INTERCHANGEABLE
SIGHT,INFINITY
34433
1240-01-090-0609INTERCHANGEABLE
NO ITEM NAME AVAILABLE
1240-01-102-4266INTERCHANGEABLE
NO ITEM NAME AVAILABLE
1240-01-110-9897INTERCHANGEABLE
NO ITEM NAME AVAILABLE
1240-01-361-6090INTERCHANGEABLE
COLLIMATOR,INFINITY AIMING REFER

Frequently Asked Questions

What is NSN 1240-00-892-5517?

NSN 1240-00-892-5517 is a Eyeshield,optical Instrument, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-00-892-5517?

NSN 1240-00-892-5517 has 5 cross-referenced part numbers: 8588791 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 8588791 (Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc), 8588791 (Basic Rubber and Plastics Co.), 8588791 (Minor Rubber Co Inc), 8588791 (Aerofab Company, Inc.).

What NSN replaces 1240-00-892-5517?

There are 8 known substitutes for 1240-00-892-5517: 1240-00-764-4734, 1240-00-987-5071, 1240-01-068-6676 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8588791?

Key specifications for 8588791: Attachment End Inside Diameter: 1.203 INCHES IN; Attachment Method: FRICTION; Overall Length: 1.500 INCHES NOMINAL IN; Viewing End Inside Diameter: 0.969 INCHES IN. 7 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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