PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

12545Valve,check

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 4820-01-507-3445 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-507-3445 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-507-3445. Primary manufacturer part number: 12545.
Features
  • Valve,check — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-507-3445, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-507-3445
Primary Part Number12545
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6640-00-058-53252935-244 INTERCHANGEABLE
Cover Glass,microscope Slide
Corning Glass Works
5133-00-227-5978 INTERCHANGEABLE
Drill,twist
5945-00-237-1715SCD3277 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-291-162312545 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
3030-00-528-4271 INTERCHANGEABLE
Belts,v,matched Set
3110-00-733-85967338596 INTERCHANGEABLE
Plate,retaining,bearing
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-936-6079 INTERCHANGEABLE
Connector,receptacle,electrical
5330-01-019-3135 INTERCHANGEABLE
Seal,plain Encased
6105-01-189-6860D34-942-83GP1 INTERCHANGEABLE
Motor,alternating Current
Electric Boat Corporation Div General Dynamics Electric Boat
6515-01-576-5530C8375-1 INTERCHANGEABLE
Power Supply,grid,counting,light
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
12545 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
12545 Itw Gse Inc. (USA)
Related Parts
6640-00-058-5325INTERCHANGEABLE
COVER GLASS,MICROSCOPE SLIDE
2935-244
5133-00-227-5978INTERCHANGEABLE
DRILL,TWIST
5945-00-237-1715INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SCD3277
5330-00-291-1623INTERCHANGEABLE
SEAL,PLAIN ENCASED
12545
3030-00-528-4271INTERCHANGEABLE
BELTS,V,MATCHED SET
3110-00-733-8596INTERCHANGEABLE
PLATE,RETAINING,BEARING
7338596
5935-00-936-6079INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5330-01-019-3135INTERCHANGEABLE
SEAL,PLAIN ENCASED
6105-01-189-6860INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
D34-942-83GP1
6515-01-576-5530INTERCHANGEABLE
POWER SUPPLY,GRID,COUNTING,LIGHT
C8375-1

Frequently Asked Questions

What is NSN 4820-01-507-3445?

NSN 4820-01-507-3445 is a Valve,check, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-507-3445?

NSN 4820-01-507-3445 has 2 cross-referenced part numbers: 12545 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 12545 (Itw Gse Inc.).

What NSN replaces 4820-01-507-3445?

There are 10 known substitutes for 4820-01-507-3445: 6640-00-058-5325, 5133-00-227-5978, 5945-00-237-1715 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12545?

Key specifications for 12545: End Item Identification: F/A-22 RAPTOR.. 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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