PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-311Tamper,compaction,soil Testing

Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc · NSN 6635-00-514-4013 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-514-4013 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-514-4013. Primary manufacturer part number: S-311.
Features
  • Tamper,compaction,soil Testing — FSC 6635
  • 2 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 Tamper,compaction,soil Testing, cataloged under National Stock Number 6635-00-514-4013, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-514-4013
Primary Part NumberS-311
Item NameTamper,compaction,soil Testing
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerDurham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4720-00-060-385837C300485P102 INTERCHANGEABLE
Hose Assembly,nonmetallic
General Electric Company Dba Ge Aerospace
3110-00-156-48525207KG INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
6685-00-168-9735PS311 INTERCHANGEABLE
Gage,pressure Outlet
Altec Air, Llc Dba Altec Llc
6695-01-107-6435 INTERCHANGEABLE
Gauge
3040-01-175-5195A2-11 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
6930-01-339-7678 INTERCHANGEABLE
Emulator
Cross-Reference Index
Part NumberManufacturer
D1557 American Society for Testing and Materials Dba Astm International (USA)
S-311 PRIMARY Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc (USA)
Related Parts
4720-00-060-3858INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
37C300485P102
3110-00-156-4852INTERCHANGEABLE
BEARING,BALL,ANNULAR
5207KG
6685-00-168-9735INTERCHANGEABLE
GAGE,PRESSURE OUTLET
PS311
6695-01-107-6435INTERCHANGEABLE
GAUGE
3040-01-175-5195INTERCHANGEABLE
SHAFT,STRAIGHT
A2-11
6930-01-339-7678INTERCHANGEABLE
EMULATOR

Frequently Asked Questions

What is NSN 6635-00-514-4013?

NSN 6635-00-514-4013 is a Tamper,compaction,soil Testing, 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 6635-00-514-4013?

NSN 6635-00-514-4013 has 2 cross-referenced part numbers: D1557 (American Society for Testing and Materials Dba Astm International), S-311 (Durham Geo-Enterprises Inc Dba Durham Geo-Enterprises Inc).

What NSN replaces 6635-00-514-4013?

There are 6 known substitutes for 6635-00-514-4013: 4720-00-060-3858, 3110-00-156-4852, 6685-00-168-9735 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-311?

Key specifications for S-311: Special Features: RAMMER DATA, 2 IN. DIA HEAD, 10 LB WT, 18 IN H OF FALL LBS. 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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