PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-8351Clamp,utility,laboratory

J & H Berge, Inc. Dba Lab Mart, the Div the Labmart · NSN 6640-00-417-5000 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-417-5000 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-417-5000. Primary manufacturer part number: 18-8351.
Features
  • Clamp,utility,laboratory — FSC 6640
  • Swivel Jaw: PROVIDED
  • Construction: ROUND
  • Attachment Facility Location: END
  • Jaw Type: SINGLE
  • Control Method: ANY ACCEPTABLE
  • Jaw Arms Adjustment Method: SINGLE NUT
  • Rod Maximum Clamping Diameter: 0.688 INCHES IN
Applications
  • Applications requiring Plastic or Rubber Sleeve construction
General Description

The Clamp,utility,laboratory, cataloged under National Stock Number 6640-00-417-5000, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is J & H Berge, Inc. Dba Lab Mart, the Div the Labmart. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-417-5000
Primary Part Number18-8351
Item NameClamp,utility,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerJ & H Berge, Inc. Dba Lab Mart, the Div the Labmart
StatusCANCELLED
Swivel JawPROVIDED
ConstructionROUND
Attachment Facility LocationEND
Jaw TypeSINGLE
Control MethodANY ACCEPTABLE
Jaw Arms Adjustment MethodSINGLE NUT
Rod Maximum Clamping Diameter0.688 INCHES IN
Maximum Clamping Diameter1.500 INCHES IN
Integral Attachment ProvisionPROVIDED
Departure From Cited DesignatorAS MODIFIED BY SLEEVE MATERIAL
MaterialPLASTIC OR RUBBER SLEEVE
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS AND 1 SIZE
MaterialALUMINUM ALLOY A380.0 AND ZINC ALLOY UNS Z33520 LOCATION NOT OTHERWISE SPECIFIED
Attachment MethodSCREW
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-00-119-1599741-2 INTERCHANGEABLE
Waveguide Assembly
Waveline Inc
7125-00-140-6990 INTERCHANGEABLE
Cabinet,small Parts,storage
3110-00-156-8153 INTERCHANGEABLE
Bearing,ball,annular
6640-00-191-6359 INTERCHANGEABLE
Holder,buret
3110-00-198-142210568 INTERCHANGEABLE
Bearing,ball,annular
Itw Food Equipment Group Llc Dba Hobart Service
3110-00-227-415116X7412 INTERCHANGEABLE
Bearing,ball,annular
Fwd Seagrave Holdings Lp
6810-00-241-1143 INTERCHANGEABLE
Sodium Bicarbonate
1005-00-344-6329 INTERCHANGEABLE
Lever
2940-00-363-7770F31PL INTERCHANGEABLE
Filter,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6640-00-417-4920 INTERCHANGEABLE
Holder,buret
Cross-Reference Index
Part NumberManufacturer
18-8351 PRIMARY J & H Berge, Inc. Dba Lab Mart, the Div the Labmart (USA)
18-416 Manostat Corp (USA)
NNNC440 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS36013-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7412 Precision Scientific Petroleum Instruments Co (USA)
ASTM E 784 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
5985-00-119-1599INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
741-2
7125-00-140-6990INTERCHANGEABLE
CABINET,SMALL PARTS,STORAGE
3110-00-156-8153INTERCHANGEABLE
BEARING,BALL,ANNULAR
6640-00-191-6359INTERCHANGEABLE
HOLDER,BURET
3110-00-198-1422INTERCHANGEABLE
BEARING,BALL,ANNULAR
10568
3110-00-227-4151INTERCHANGEABLE
BEARING,BALL,ANNULAR
16X7412
6810-00-241-1143INTERCHANGEABLE
SODIUM BICARBONATE
1005-00-344-6329INTERCHANGEABLE
LEVER
2940-00-363-7770INTERCHANGEABLE
FILTER,FLUID
F31PL
6640-00-417-4920INTERCHANGEABLE
HOLDER,BURET
6640-00-417-6000INTERCHANGEABLE
CLAMP,UTILITY,LABORATORY
05-769-3
6640-00-428-2460INTERCHANGEABLE
CLAMP,LABORATORY SUPPORT ROD

Frequently Asked Questions

What is NSN 6640-00-417-5000?

NSN 6640-00-417-5000 is a Clamp,utility,laboratory, manufactured by J & H Berge, Inc. Dba Lab Mart, the Div the Labmart, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-417-5000?

NSN 6640-00-417-5000 has 6 cross-referenced part numbers: 18-8351 (J & H Berge, Inc. Dba Lab Mart, the Div the Labmart), 18-416 (Manostat Corp), NNNC440 (Federal Specifications Promulgated by General Services Administration Washington DC), MS36013-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 7412 (Precision Scientific Petroleum Instruments Co) and 1 more.

What NSN replaces 6640-00-417-5000?

There are 12 known substitutes for 6640-00-417-5000: 5985-00-119-1599, 7125-00-140-6990, 3110-00-156-8153 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-8351?

Key specifications for 18-8351: Overall Length: 7.000 INCHES NOMINAL IN; Swivel Jaw: PROVIDED; Construction: ROUND; Attachment Facility Location: END. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-417-5000 still in active supply?

NSN 6640-00-417-5000 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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