PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27146Valve,check

Norwalk Compreseer Company Inc Dba Norwalk Compressor Company · NSN 4820-00-764-6326 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-764-6326 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-764-6326. Primary manufacturer part number: 27146.
Features
  • Valve,check — FSC 4820
  • Material: IRON CAST BODY
  • Flow Control Device: DISK
  • 2 verified cross-references
  • Primary manufacturer: Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-764-6326, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Norwalk Compreseer Company Inc Dba Norwalk Compressor Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-764-6326
Primary Part Number27146
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorwalk Compreseer Company Inc Dba Norwalk Compressor Company
StatusCANCELLED
MaterialIRON CAST BODY
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-022-78795094 INTERCHANGEABLE
Voltmeter
Jewell Instruments Llc
2540-00-069-2921444944 INTERCHANGEABLE
Handle,door,vehicular
Fwd Seagrave Holdings Lp
6145-00-164-01575094 INTERCHANGEABLE
Braid,wire
Belden Wire and Cable Co Wire and Cable Office
6105-00-318-92335094 INTERCHANGEABLE
Winding,motor Field
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5975-00-947-30685094-0 INTERCHANGEABLE
Plate,wall,electrical
Raco, a Division of Hubbell Incorporated(delaware)
5998-01-084-30365094 INTERCHANGEABLE
Printed Circuit Board
Decision Data Computer Corp
6515-01-161-7016271.46 INTERCHANGEABLE
Nail,femoral
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
2530-01-181-7147 INTERCHANGEABLE
Caliper,disc Brake
6750-01-228-03471206259 INTERCHANGEABLE
Film,photographic
Kodak Polychrome Graphics, Llc
4930-01-268-3136XFD2-274B INTERCHANGEABLE
Reel Assembly,hose
Conductix Inc Div Conductix Wampfler
Cross-Reference Index
Part NumberManufacturer
27146 PRIMARY Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (USA)
5094 Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (USA)
Related Parts
6625-00-022-7879INTERCHANGEABLE
VOLTMETER
5094
2540-00-069-2921INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
444944
6145-00-164-0157INTERCHANGEABLE
BRAID,WIRE
5094
6105-00-318-9233INTERCHANGEABLE
WINDING,MOTOR FIELD
5094
5975-00-947-3068INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
5094-0
5998-01-084-3036INTERCHANGEABLE
PRINTED CIRCUIT BOARD
5094
6515-01-161-7016INTERCHANGEABLE
NAIL,FEMORAL
271.46
2530-01-181-7147INTERCHANGEABLE
CALIPER,DISC BRAKE
6750-01-228-0347INTERCHANGEABLE
FILM,PHOTOGRAPHIC
1206259
4930-01-268-3136INTERCHANGEABLE
REEL ASSEMBLY,HOSE
XFD2-274B
5310-01-371-7179INTERCHANGEABLE
WASHER,LOCK
2714-6
5340-01-377-6199INTERCHANGEABLE
PLUG,VENT
FIG 509 NO.4

Frequently Asked Questions

What is NSN 4820-00-764-6326?

NSN 4820-00-764-6326 is a Valve,check, manufactured by Norwalk Compreseer Company Inc Dba Norwalk Compressor Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-764-6326?

NSN 4820-00-764-6326 has 2 cross-referenced part numbers: 27146 (Norwalk Compreseer Company Inc Dba Norwalk Compressor Company), 5094 (Norwalk Compreseer Company Inc Dba Norwalk Compressor Company).

What NSN replaces 4820-00-764-6326?

There are 12 known substitutes for 4820-00-764-6326: 6625-00-022-7879, 2540-00-069-2921, 6145-00-164-0157 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27146?

Key specifications for 27146: Special Features: 1.370 IN. L;1.875 IN. DIA;W/ 3 0.375 IN. DIA HOLES ON ONE END;9 0.233 IN. DIA HOLES ON 2ND END; IN; Material: IRON CAST BODY; Flow Control Device: DISK. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-764-6326 still in active supply?

NSN 4820-00-764-6326 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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