PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6148Valve,restrictor Check

Pneudraulics, Inc. · NSN 4820-00-142-5297 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-142-5297 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-142-5297. Primary manufacturer part number: 6148.
Features
  • Valve,restrictor Check — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,restrictor Check, cataloged under National Stock Number 4820-00-142-5297, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,restrictor Check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPneudraulics, Inc. (CAGE 06177); Northrop Grumman Systems Corporation (CAGE 26512); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (CAGE 61174)
Technical Specifications
ParameterValue
NSN4820-00-142-5297
Primary Part Number6148
Item NameValve,restrictor Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-296-6148885368-09704 INTERCHANGEABLE
Terminal Strip,grounding
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5915-00-728-5983SM-C-500221 INTERCHANGEABLE
Filter,band Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-903-699916100614 INTERCHANGEABLE
Seal,plain Encased
Fairbanks Morse, Llc
5305-01-084-820261-48 INTERCHANGEABLE
Screw,cap,socket Head
Cnh Industrial America Llc Dba Cnh America
5305-01-155-18212BA542 INTERCHANGEABLE
Setscrew
Oshkosh Defense Llc
5360-01-173-34106148 INTERCHANGEABLE
Spring,helical,compression
Greno Industries, Inc. Dba Greno Industries Inc
5640-01-307-4726 INTERCHANGEABLE
Insulation Sleeving,thermal
5120-01-335-9080 INTERCHANGEABLE
Socket,socket Wrench
6520-01-561-76159004565 INTERCHANGEABLE
Impression Bite Tray,dental
Henry Schein, Inc.
5360-01-650-30696148 INTERCHANGEABLE
Spring,helical,extension
Mcfarlane Aviation, Llc
Cross-Reference Index
Part NumberManufacturer
6148 PRIMARY Pneudraulics, Inc. (USA)
A51H9085-5 Northrop Grumman Systems Corporation (USA)
A51H9085-5 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
Related Parts
5940-00-296-6148INTERCHANGEABLE
TERMINAL STRIP,GROUNDING
885368-09704
5915-00-728-5983INTERCHANGEABLE
FILTER,BAND PASS
SM-C-500221
5330-00-903-6999INTERCHANGEABLE
SEAL,PLAIN ENCASED
16100614
5305-01-084-8202INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
61-48
5305-01-155-1821INTERCHANGEABLE
SETSCREW
2BA542
5360-01-173-3410INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6148
5640-01-307-4726INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5120-01-335-9080INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6520-01-561-7615INTERCHANGEABLE
IMPRESSION BITE TRAY,DENTAL
9004565
5360-01-650-3069INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
6148

Frequently Asked Questions

What is NSN 4820-00-142-5297?

NSN 4820-00-142-5297 is a Valve,restrictor Check, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-142-5297?

NSN 4820-00-142-5297 has 3 cross-referenced part numbers: 6148 (Pneudraulics, Inc.), A51H9085-5 (Northrop Grumman Systems Corporation), A51H9085-5 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).

What NSN replaces 4820-00-142-5297?

There are 10 known substitutes for 4820-00-142-5297: 5940-00-296-6148, 5915-00-728-5983, 5330-00-903-6999 and 7 more. Verify interchangeability with system specifications before substitution.

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