PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-740Clamp,utility,laboratory

Hurletronaltair Inc · NSN 6640-00-052-7881 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-052-7881 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-052-7881. Primary manufacturer part number: 5-740.
Features
  • Clamp,utility,laboratory — FSC 6640
  • Jaw Type: SINGLE
  • Integral Attachment Provision: NOT PROVIDED
  • Maximum Clamping Diameter: 2.500 INCHES IN
  • Jaw Arms Adjustment Method: 2-BOLT INDIVIDUAL
  • Construction: 3-PRONG
  • Material: PLASTIC SLEEVE
  • Departure From Cited Designator: BNGG AND ABHP
Applications
  • Applications requiring Plastic Sleeve construction
General Description

The Clamp,utility,laboratory, cataloged under National Stock Number 6640-00-052-7881, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hurletronaltair Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-052-7881
Primary Part Number5-740
Item NameClamp,utility,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerHurletronaltair Inc
StatusACTIVE
Jaw TypeSINGLE
Integral Attachment ProvisionNOT PROVIDED
Maximum Clamping Diameter2.500 INCHES IN
Jaw Arms Adjustment Method2-BOLT INDIVIDUAL
Construction3-PRONG
MaterialPLASTIC SLEEVE
Departure From Cited DesignatorBNGG AND ABHP
Nondefinitive Spec/std Data3 TYPE AND 2 CLASS
Swivel JawNOT PROVIDED
MaterialZINC ALLOY LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-136-4027 INTERCHANGEABLE
Coupler,directional
3110-00-158-6195 INTERCHANGEABLE
Bearing,ball,thrust
5305-00-286-36465740 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5330-00-383-8709MS18610 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5305-00-407-8559347-0104-000 INTERCHANGEABLE
Screw,machine
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
7920-00-530-574045507 INTERCHANGEABLE
Squeegee
Weiler Corporation
5950-00-601-62755740 INTERCHANGEABLE
Transformer,pulse
Pulse Engineering Inc
5133-00-839-545531113 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5133-00-841-85914322-0147 INTERCHANGEABLE
Drill,twist
New York Twist Drill Inc
5133-00-841-859640737 INTERCHANGEABLE
Drill,twist
New York Twist Drill Inc
Cross-Reference Index
Part NumberManufacturer
5-740 Hurletronaltair Inc (USA)
Related Parts
5985-00-136-4027INTERCHANGEABLE
COUPLER,DIRECTIONAL
3110-00-158-6195INTERCHANGEABLE
BEARING,BALL,THRUST
5305-00-286-3646INTERCHANGEABLE
SCREW,MACHINE
5740
5330-00-383-8709INTERCHANGEABLE
GASKET
MS18610
5305-00-407-8559INTERCHANGEABLE
SCREW,MACHINE
347-0104-000
7920-00-530-5740INTERCHANGEABLE
SQUEEGEE
45507
5950-00-601-6275INTERCHANGEABLE
TRANSFORMER,PULSE
5740
5133-00-839-5455INTERCHANGEABLE
DRILL,TWIST
31113
5133-00-841-8591INTERCHANGEABLE
DRILL,TWIST
4322-0147
5133-00-841-8596INTERCHANGEABLE
DRILL,TWIST
40737
5133-00-841-8617INTERCHANGEABLE
DRILL,TWIST
5133-00-841-8622INTERCHANGEABLE
DRILL,TWIST
40726

Frequently Asked Questions

What is NSN 6640-00-052-7881?

NSN 6640-00-052-7881 is a Clamp,utility,laboratory, manufactured by Hurletronaltair Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-052-7881?

NSN 6640-00-052-7881 has 1 cross-referenced part number: 5-740 (Hurletronaltair Inc).

What NSN replaces 6640-00-052-7881?

There are 12 known substitutes for 6640-00-052-7881: 5985-00-136-4027, 3110-00-158-6195, 5305-00-286-3646 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-740?

Key specifications for 5-740: Overall Length: 8.750 INCHES NOMINAL IN; Jaw Type: SINGLE; Integral Attachment Provision: NOT PROVIDED; Maximum Clamping Diameter: 2.500 INCHES IN. 11 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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