PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22516Block,flotation

Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems · NSN 1560-00-772-7707 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-00-772-7707 — this item is cataloged by the U.S. Government under National Stock Number 1560-00-772-7707. Primary manufacturer part number: 22516.
Features
  • Block,flotation — FSC 1560
  • General Characteristics Item Description: STYROFOAM,8.880 IN. LG,8.130 IN. W IN
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block,flotation, cataloged under National Stock Number 1560-00-772-7707, is classified within Federal Supply Class 1560 (No Item Name Available) of the Aircraft and Airframe Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN1560-00-772-7707
Primary Part Number22516
Item NameBlock,flotation
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
StatusACTIVE
General Characteristics Item DescriptionSTYROFOAM,8.880 IN. LG,8.130 IN. W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2995-00-066-430822516 INTERCHANGEABLE
Housing Assembly
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4320-00-212-9468G101PC16 INTERCHANGEABLE
Pilot Chest Valve
M.t. Davidson Company
5330-00-286-715222516 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4720-00-624-4057 INTERCHANGEABLE
Hose,nonmetallic
5331-00-804-5695MS28778-6 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5355-01-242-7482 INTERCHANGEABLE
Knob
3040-01-327-276322516 INTERCHANGEABLE
Extension Shaft
Parker Hannifin Corporation Div Hydraulic Systems Division
2540-01-596-157122516 INTERCHANGEABLE
Nozzle,window Washer
Bowles Fluidics Corporation
Cross-Reference Index
Part NumberManufacturer
8178473 Us Army Aviation and Missile Command (USA)
22516 PRIMARY Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems (USA)
Related Parts
2995-00-066-4308INTERCHANGEABLE
HOUSING ASSEMBLY
22516
4320-00-212-9468INTERCHANGEABLE
PILOT CHEST VALVE
G101PC16
5330-00-286-7152INTERCHANGEABLE
SEAL,PLAIN ENCASED
22516
4720-00-624-4057INTERCHANGEABLE
HOSE,NONMETALLIC
5331-00-804-5695INTERCHANGEABLE
O-RING
MS28778-6
5355-01-242-7482INTERCHANGEABLE
KNOB
3040-01-327-2763INTERCHANGEABLE
EXTENSION SHAFT
22516
2540-01-596-1571INTERCHANGEABLE
NOZZLE,WINDOW WASHER
22516

Frequently Asked Questions

What is NSN 1560-00-772-7707?

NSN 1560-00-772-7707 is a Block,flotation, manufactured by Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems, classified under FSC 1560 (No Item Name Available). Status: active.

What are the part numbers for NSN 1560-00-772-7707?

NSN 1560-00-772-7707 has 2 cross-referenced part numbers: 8178473 (Us Army Aviation and Missile Command), 22516 (Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems).

What NSN replaces 1560-00-772-7707?

There are 8 known substitutes for 1560-00-772-7707: 2995-00-066-4308, 4320-00-212-9468, 5330-00-286-7152 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22516?

Key specifications for 22516: General Characteristics Item Description: STYROFOAM,8.880 IN. LG,8.130 IN. W IN. 1 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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