PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22512Seat,valve

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 4820-00-005-3567 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-005-3567 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-005-3567. Primary manufacturer part number: 22512.
Features
  • Seat,valve — FSC 4820
  • Seat Angle in Deg: 45.000 NOMINAL
  • Seating Surface Shape: ANGULAR
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Seal Accommodation Type: GROOVED
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-005-3567, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 verified specifications, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-005-3567
Primary Part Number22512
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Seat Angle in Deg45.000 NOMINAL
Seating Surface ShapeANGULAR
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Seal Accommodation TypeGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-073-0568 INTERCHANGEABLE
Transistor
3455-00-187-0401716-028212 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
4720-00-288-9870225-12 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5330-00-423-2942225-12 INTERCHANGEABLE
Gasket
Illinois Tool Works Inc.
3110-00-574-7682 INTERCHANGEABLE
Bearing,roller,self-Aligning
5331-00-803-7208200-2362-010 INTERCHANGEABLE
O-Ring
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5340-00-843-3787225-1-2 INTERCHANGEABLE
Snap Hook
Buckles International, Inc.
5340-01-103-0256 INTERCHANGEABLE
Snap Hook
2990-01-353-580915576680 INTERCHANGEABLE
Muffler,exhaust
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
22512 United Technologies Corp Hamilton Sundstrand Corp (USA)
22512 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5961-00-073-0568INTERCHANGEABLE
TRANSISTOR
3455-00-187-0401INTERCHANGEABLE
CUTTER,MILLING,END
716-028212
4720-00-288-9870INTERCHANGEABLE
HOSE,NONMETALLIC
225-12
5330-00-423-2942INTERCHANGEABLE
GASKET
225-12
3110-00-574-7682INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
5331-00-803-7208INTERCHANGEABLE
O-RING
200-2362-010
5340-00-843-3787INTERCHANGEABLE
SNAP HOOK
225-1-2
5340-01-103-0256INTERCHANGEABLE
SNAP HOOK
2990-01-353-5809INTERCHANGEABLE
MUFFLER,EXHAUST
15576680

Frequently Asked Questions

What is NSN 4820-00-005-3567?

NSN 4820-00-005-3567 is a Seat,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-005-3567?

NSN 4820-00-005-3567 has 2 cross-referenced part numbers: 22512 (United Technologies Corp Hamilton Sundstrand Corp), 22512 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 4820-00-005-3567?

There are 9 known substitutes for 4820-00-005-3567: 5961-00-073-0568, 3455-00-187-0401, 4720-00-288-9870 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22512?

Key specifications for 22512: Seat Angle in Deg: 45.000 NOMINAL; Seating Surface Shape: ANGULAR; Surface Treatment: PASSIVATE OVERALL; Material: STEEL COMP 303 OVERALL. 6 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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