PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4PWater Sampling Test Kit,ph

Myron L Company Dba Myron L Co · NSN 6630-01-580-9979 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-01-580-9979 — this item is cataloged by the U.S. Government under National Stock Number 6630-01-580-9979. Primary manufacturer part number: 4P.
Features
  • Water Sampling Test Kit,ph — FSC 6630
  • 2 verified cross-references
  • Primary manufacturer: Myron L Company Dba Myron L Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Water Sampling Test Kit,ph, cataloged under National Stock Number 6630-01-580-9979, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Myron L Company Dba Myron L Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6630-01-580-9979
Primary Part Number4P
Item NameWater Sampling Test Kit,ph
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerMyron L Company Dba Myron L Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-6150 INTERCHANGEABLE
Ball,bearing
3110-00-155-66751406 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
5905-00-173-6906867134 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Honeywell International, Inc Div Aerospace-Tucson
5342-01-106-21094-P INTERCHANGEABLE
Plug
Swagelok Co
4820-01-500-31314P INTERCHANGEABLE
Valve,linear,directional Control
Humphrey Products Co
Cross-Reference Index
Part NumberManufacturer
4P PRIMARY Myron L Company Dba Myron L Co (USA)
4PII Myron L Company Dba Myron L Co (USA)
Related Parts
3110-00-100-6150INTERCHANGEABLE
BALL,BEARING
3110-00-155-6675INTERCHANGEABLE
BEARING,BALL,ANNULAR
1406
5905-00-173-6906INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
867134
5342-01-106-2109INTERCHANGEABLE
PLUG
4-P
4820-01-500-3131INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
4P

Frequently Asked Questions

What is NSN 6630-01-580-9979?

NSN 6630-01-580-9979 is a Water Sampling Test Kit,ph, manufactured by Myron L Company Dba Myron L Co, classified under FSC 6630 (No Item Name Available). Status: active.

What are the part numbers for NSN 6630-01-580-9979?

NSN 6630-01-580-9979 has 2 cross-referenced part numbers: 4P (Myron L Company Dba Myron L Co), 4PII (Myron L Company Dba Myron L Co).

What NSN replaces 6630-01-580-9979?

There are 5 known substitutes for 6630-01-580-9979: 3110-00-100-6150, 3110-00-155-6675, 5905-00-173-6906 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4P?

Key specifications for 4P: Part Name Assigned by Controlling Agency: ULTRAMETER, WATER TEST KIT. 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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