PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11977Spacer,seat,pilot V

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 1650-00-757-4478 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-757-4478 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-757-4478. Primary manufacturer part number: 11977.
Features
  • Spacer,seat,pilot V — FSC 1650
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spacer,seat,pilot V, cataloged under National Stock Number 1650-00-757-4478, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpacer,seat,pilot V
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersEaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H)
Technical Specifications
ParameterValue
NSN1650-00-757-4478
Primary Part Number11977
Item NameSpacer,seat,pilot V
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5306-00-298-864011977 INTERCHANGEABLE
Bolt,machine
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5365-00-597-1326 INTERCHANGEABLE
Shim
5950-00-725-694211977 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
8920-01-333-236411977 INTERCHANGEABLE
Cereal,oat Bran
General Mills Inc
2840-01-412-75374056T05P09 INTERCHANGEABLE
Seal,air,aircraft Gas Turbine En
Eaton Corporation Div Fed
9510-01-450-879711977 INTERCHANGEABLE
Bar,metal
Tulsa Winch, Inc.
5305-01-547-714311977 INTERCHANGEABLE
Screw,machine
Aimpoint Inc Dba Aimpoint Inc
6515-01-573-9777C8373-3 INTERCHANGEABLE
Magnifier
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
11977 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
1650PL0658208 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5306-00-298-8640INTERCHANGEABLE
BOLT,MACHINE
11977
5365-00-597-1326INTERCHANGEABLE
SHIM
5950-00-725-6942INTERCHANGEABLE
TRANSFORMER,POWER
11977
8920-01-333-2364INTERCHANGEABLE
CEREAL,OAT BRAN
11977
2840-01-412-7537INTERCHANGEABLE
SEAL,AIR,AIRCRAFT GAS TURBINE EN
4056T05P09
9510-01-450-8797INTERCHANGEABLE
BAR,METAL
11977
5305-01-547-7143INTERCHANGEABLE
SCREW,MACHINE
11977
6515-01-573-9777INTERCHANGEABLE
MAGNIFIER
C8373-3

Frequently Asked Questions

What is NSN 1650-00-757-4478?

NSN 1650-00-757-4478 is a Spacer,seat,pilot V, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-757-4478?

NSN 1650-00-757-4478 has 2 cross-referenced part numbers: 11977 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 1650PL0658208 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 1650-00-757-4478?

There are 8 known substitutes for 1650-00-757-4478: 5306-00-298-8640, 5365-00-597-1326, 5950-00-725-6942 and 5 more. Verify interchangeability with system specifications before substitution.

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