PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6504Pilot Gag,valve

Greno Industries, Inc. Dba Greno Industries Inc · NSN 4820-01-378-8824 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-378-8824 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-378-8824. Primary manufacturer part number: 6504.
Features
  • Pilot Gag,valve — FSC 4820
  • General Characteristics Item Description: CRES 304; 2 HOLES THD 0.312-18 UNC-2B
  • 1 verified cross-reference
  • Primary manufacturer: Greno Industries, Inc. Dba Greno Industries Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Pilot Gag,valve, cataloged under National Stock Number 4820-01-378-8824, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Greno Industries, Inc. Dba Greno Industries Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-378-8824
Primary Part Number6504
Item NamePilot Gag,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGreno Industries, Inc. Dba Greno Industries Inc
StatusACTIVE
General Characteristics Item DescriptionCRES 304; 2 HOLES THD 0.312-18 UNC-2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6105-00-134-653765-04 INTERCHANGEABLE
Motor,control
Arc Systems Inc
5331-00-171-5371KS1321 INTERCHANGEABLE
O-Ring
Minor Rubber Co Inc
5220-00-321-20526504 INTERCHANGEABLE
Gage,profile
Allison Transmission Inc Dba Allison Transmission, Inc
6685-00-527-6221117312 INTERCHANGEABLE
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Ametek, Inc. Div Aerospace & Defense
5950-00-647-5772 INTERCHANGEABLE
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5940-00-732-12947321294 INTERCHANGEABLE
Terminal,stud
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-871-672912273192 INTERCHANGEABLE
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U S Army Tank Automotive Command Amsta-Im-Mm
3020-00-961-6160GD103-1 INTERCHANGEABLE
Gear,helical
Wisconsin Motors, Llc
6210-01-021-19543652-4-12-53110 INTERCHANGEABLE
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7830-01-075-0769MB-LARGE INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
6504 PRIMARY Greno Industries, Inc. Dba Greno Industries Inc (USA)
Related Parts
6105-00-134-6537INTERCHANGEABLE
MOTOR,CONTROL
65-04
5331-00-171-5371INTERCHANGEABLE
O-RING
KS1321
5220-00-321-2052INTERCHANGEABLE
GAGE,PROFILE
6504
6685-00-527-6221INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
117312
5950-00-647-5772INTERCHANGEABLE
TRANSFORMER,POWER
5940-00-732-1294INTERCHANGEABLE
TERMINAL,STUD
7321294
4730-00-871-6729INTERCHANGEABLE
CLAMP,HOSE
12273192
3020-00-961-6160INTERCHANGEABLE
GEAR,HELICAL
GD103-1
6210-01-021-1954INTERCHANGEABLE
LIGHT,INDICATOR
3652-4-12-53110
7830-01-075-0769INTERCHANGEABLE
MEDICINE BALL
MB-LARGE
6695-01-097-0441INTERCHANGEABLE
TESTER,OXYGEN MASK
TA MQ-1A
6340-01-388-0704INTERCHANGEABLE
CONTROL,ALARM
6504

Frequently Asked Questions

What is NSN 4820-01-378-8824?

NSN 4820-01-378-8824 is a Pilot Gag,valve, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-378-8824?

NSN 4820-01-378-8824 has 1 cross-referenced part number: 6504 (Greno Industries, Inc. Dba Greno Industries Inc).

What NSN replaces 4820-01-378-8824?

There are 12 known substitutes for 4820-01-378-8824: 6105-00-134-6537, 5331-00-171-5371, 5220-00-321-2052 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6504?

Key specifications for 6504: General Characteristics Item Description: CRES 304; 2 HOLES THD 0.312-18 UNC-2B. 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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