PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C7888-3Cover Insulating,coupling

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 1660-01-050-0017 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-050-0017 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-050-0017. Primary manufacturer part number: C7888-3.
Features
  • Cover Insulating,coupling — FSC 1660
  • General Characteristics Item Description: MATL P1000-1 OR EQUIV,4.500 IN. LG,3.500 IN. W,2.500 IN. D,1 HOLE 2.750 IN. ID,SPLIT LINE ONE SIDE FULL LG OF DEPTH IN
  • 9 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover Insulating,coupling, cataloged under National Stock Number 1660-01-050-0017, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-050-0017
Primary Part NumberC7888-3
Item NameCover Insulating,coupling
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
General Characteristics Item DescriptionMATL P1000-1 OR EQUIV,4.500 IN. LG,3.500 IN. W,2.500 IN. D,1 HOLE 2.750 IN. ID,SPLIT LINE ONE SIDE FULL LG OF DEPTH IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-00-914-48166002-153 INTERCHANGEABLE
Spring,helical,extension
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
C7888-3 Aero Space Composites Llc Dba Aerospace Composites (USA)
1660PL0661206 Jednolity Indeks Materialowy - Uniform Material Index (POL)
55A009-3 Aero Space Composites Llc Dba Aerospace Composites (USA)
55A009-3 Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (USA)
C7888-3 Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (USA)
55A009-3 Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA)
C7888-3 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
64M1011-3 Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (USA)
600-215-3 Burke Industries Purosil Div (USA)
Related Parts
5360-00-914-4816INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
6002-153

Frequently Asked Questions

What is NSN 1660-01-050-0017?

NSN 1660-01-050-0017 is a Cover Insulating,coupling, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-050-0017?

NSN 1660-01-050-0017 has 9 cross-referenced part numbers: C7888-3 (Aero Space Composites Llc Dba Aerospace Composites), 1660PL0661206 (Jednolity Indeks Materialowy - Uniform Material Index), 55A009-3 (Aero Space Composites Llc Dba Aerospace Composites), 55A009-3 (Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites), C7888-3 (Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc) and 4 more.

What NSN replaces 1660-01-050-0017?

There is 1 known substitute for 1660-01-050-0017: 5360-00-914-4816. Verify interchangeability with system specifications before substitution.

What are the specifications of C7888-3?

Key specifications for C7888-3: End Item Identification: ACFT F16; General Characteristics Item Description: MATL P1000-1 OR EQUIV,4.500 IN. LG,3.500 IN. W,2.500 IN. D,1 HOLE 2.750 IN. ID,SPLIT LINE ONE SIDE FULL LG OF DEPTH IN. 2 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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