The Meter,ph, cataloged under National Stock Number 6630-00-957-4036, is classified within Federal Supply Class 6630 (Chemical Analysis Instruments) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Meter,ph
FSC / FSG
6630 — Chemical Analysis Instruments (FSG 66)
Technical Specifications
Parameter
Value
NSN
6630-00-957-4036
Item Name
Meter,ph
FSC / FSG
6630 / 66 — Chemical Analysis Instruments
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-194-0244765-5 PIECE 12POSSIBLE MATCH
FLANGE,GLAND,VALVE
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
5950-01-256-52922901809-1POSSIBLE MATCH
TRANSFORMER,PULSE
Possible match (shared part number)Raytheon Company Dba Raytheon
6520-01-276-453676-55POSSIBLE MATCH
SYRINGE,ANESTHETIC,DENTAL
Possible match (shared part number)Miltex Incorporation
5130-01-400-01257655POSSIBLE MATCH
ADAPTER,SOCKET WRENCH
Possible match (shared part number)The Stanley Works Dba Stanley Proto
5305-01-576-69297655POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)Sps Technologies Inc Unbrako Div
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
7655
3/9Design control — primary reference
Leeds and Northrup Co a Unit of General Signal Corp
Related Parts
4820-01-194-0244POSSIBLE MATCH
FLANGE,GLAND,VALVE
765-5 PIECE 12
5950-01-256-5292POSSIBLE MATCH
TRANSFORMER,PULSE
2901809-1
6520-01-276-4536POSSIBLE MATCH
SYRINGE,ANESTHETIC,DENTAL
76-55
5130-01-400-0125POSSIBLE MATCH
ADAPTER,SOCKET WRENCH
7655
5305-01-576-6929POSSIBLE MATCH
SCREW,MACHINE
7655
Frequently Asked Questions
What is NSN 6630-00-957-4036?
NSN 6630-00-957-4036 is a Meter,ph, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
What NSN replaces 6630-00-957-4036?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-194-0244, 5950-01-256-5292, 6520-01-276-4536. Verify interchangeability with system specifications before substitution.
Is NSN 6630-00-957-4036 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.