PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5188-1Back Assembly,seat

Lockheed Martin Corp · NSN 1680-00-858-4516 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-858-4516 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-858-4516. Primary manufacturer part number: 5188-1.
Features
  • Back Assembly,seat — FSC 1680
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Back Assembly,seat, cataloged under National Stock Number 1680-00-858-4516, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lockheed Martin Corp. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBack Assembly,seat
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersThe Conrad Company Dba Conrad Co (CAGE 22539); Lockheed Martin Corp (CAGE 98897); Crestview Aerospace Llc Div Crestview Aerospace (CAGE 23974)
Technical Specifications
ParameterValue
NSN1680-00-858-4516
Primary Part Number5188-1
Item NameBack Assembly,seat
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8589 INTERCHANGEABLE
Bearing,ball,annular
5360-00-246-9884855075 INTERCHANGEABLE
Spring,helical,extension
Dana Off Highway Products, Llc
5935-00-581-494533-5188-1 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5342-00-824-535351881 INTERCHANGEABLE
Bracket,wheel Mounting
Aerol Llc
5961-01-027-57465-1881 INTERCHANGEABLE
Transistor
Bird Electronic Corporation Div Bird Electronic Corp
5995-01-073-742811776963 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4330-01-121-635012360651 INTERCHANGEABLE
Parts Kit,fluid Pressure Filter
General Motors Llc Dba General Motors Llc
4730-01-245-69961068260 INTERCHANGEABLE
Plug,pipe
Elgin Sweeper Company
6515-01-319-8230 INTERCHANGEABLE
Regulator Assembly,cryosurgical
5970-01-593-319651881 INTERCHANGEABLE
Insulation Sleeving,electrical
Lawson Products, Inc.
Cross-Reference Index
Part NumberManufacturer
7-79289-1 The Conrad Company Dba Conrad Co (USA)
5188-1 PRIMARY Lockheed Martin Corp (USA)
5188-1 Crestview Aerospace Llc Div Crestview Aerospace (USA)
Related Parts
3110-00-144-8589INTERCHANGEABLE
BEARING,BALL,ANNULAR
5360-00-246-9884INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
855075
5935-00-581-4945INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
33-5188-1
5342-00-824-5353INTERCHANGEABLE
BRACKET,WHEEL MOUNTING
51881
5961-01-027-5746INTERCHANGEABLE
TRANSISTOR
5-1881
5995-01-073-7428INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
11776963
4330-01-121-6350INTERCHANGEABLE
PARTS KIT,FLUID PRESSURE FILTER
12360651
4730-01-245-6996INTERCHANGEABLE
PLUG,PIPE
1068260
6515-01-319-8230INTERCHANGEABLE
REGULATOR ASSEMBLY,CRYOSURGICAL
5970-01-593-3196INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
51881
4030-01-610-4872INTERCHANGEABLE
SHACKLE
51881
5360-01-624-9595INTERCHANGEABLE
SPRING,HELICAL,TORSION
51881

Frequently Asked Questions

What is NSN 1680-00-858-4516?

NSN 1680-00-858-4516 is a Back Assembly,seat, manufactured by Lockheed Martin Corp, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-858-4516?

NSN 1680-00-858-4516 has 3 cross-referenced part numbers: 7-79289-1 (The Conrad Company Dba Conrad Co), 5188-1 (Lockheed Martin Corp), 5188-1 (Crestview Aerospace Llc Div Crestview Aerospace).

What NSN replaces 1680-00-858-4516?

There are 12 known substitutes for 1680-00-858-4516: 3110-00-144-8589, 5360-00-246-9884, 5935-00-581-4945 and 9 more. Verify interchangeability with system specifications before substitution.

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