PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-335Mold,concrete Testing,slump Cone

Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc · NSN 6635-00-641-3489 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-641-3489 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-641-3489. Primary manufacturer part number: C-335.
Features
  • Mold,concrete Testing,slump Cone — FSC 6635
  • 5 verified cross-references
  • Primary manufacturer: Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mold,concrete Testing,slump Cone, cataloged under National Stock Number 6635-00-641-3489, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-641-3489
Primary Part NumberC-335
Item NameMold,concrete Testing,slump Cone
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerDurham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2520-00-352-5509 INTERCHANGEABLE
Plate
4410-00-377-9862 INTERCHANGEABLE
Retarder,tube
3830-00-424-0544 INTERCHANGEABLE
Gear
5915-00-501-3317 INTERCHANGEABLE
Filter,radio Frequency Interfere
5910-00-666-69718107592 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Us Army Aviation and Missile Command
5950-00-811-4520L518002503 INTERCHANGEABLE
Reactor
Lockheed Martin Librascope Corporation
5950-00-927-52742503240 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
5935-01-039-1769 INTERCHANGEABLE
Connector,plug,electrical
4320-01-224-0336C143 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
6545-01-512-1658C335 INTERCHANGEABLE
Ultrasound Set
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
CT69 Ele International, Llc Dba Soiltest Products (USA)
C-335 Boart Longyear Company (USA)
C-335 PRIMARY Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc (USA)
C 143 American Society for Testing and Materials Dba Astm International (USA)
H-3640 Humboldt Mfg. Co (USA)
Related Parts
2520-00-352-5509INTERCHANGEABLE
PLATE
4410-00-377-9862INTERCHANGEABLE
RETARDER,TUBE
3830-00-424-0544INTERCHANGEABLE
GEAR
5915-00-501-3317INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5910-00-666-6971INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
8107592
5950-00-811-4520INTERCHANGEABLE
REACTOR
L518002503
5950-00-927-5274INTERCHANGEABLE
TRANSFORMER,POWER
2503240
5935-01-039-1769INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4320-01-224-0336INTERCHANGEABLE
RING,WEARING
C143
6545-01-512-1658INTERCHANGEABLE
ULTRASOUND SET
C335

Frequently Asked Questions

What is NSN 6635-00-641-3489?

NSN 6635-00-641-3489 is a Mold,concrete Testing,slump Cone, manufactured by Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-641-3489?

NSN 6635-00-641-3489 has 5 cross-referenced part numbers: CT69 (Ele International, Llc Dba Soiltest Products), C-335 (Boart Longyear Company), C-335 (Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc), C 143 (American Society for Testing and Materials Dba Astm International), H-3640 (Humboldt Mfg. Co).

What NSN replaces 6635-00-641-3489?

There are 10 known substitutes for 6635-00-641-3489: 2520-00-352-5509, 4410-00-377-9862, 3830-00-424-0544 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C-335?

Key specifications for C-335: Special Features: 16 GAGE METAL; 8 IN. BASE DIA PORM 1/8 IN.; 4 IN. TOP DIA PORM 1/8 IN.; 12 IN. H PORM 1/8 IN.; BASE AND TOP SHALL BE OPEN AND PARALLEL TO EACH OTHER AND AT RIGHT ANGLES TO THE AXIS OF THE CONE; WITH FOOT PIECES AND HANDLES IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com