1 - PD Torque Calibration System Upgrade 250-2000 lbf-ft 26M-012A-TQ.pdf
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- Solicitation number
- FA226326Q0004
About this file
This is a Purchase Description for a Torque Calibration System Upgrade covering the torque range of 250-2000 lbf-ft. The Air Force Precision Measurement Equipment Laboratories (PMELs) require a transducer-based system consisting of four specific Snap-on torque transducers (TTC610, TTC12, TTC13, and TTC14) paired with a digital indicator to display torque readings. The system must achieve measurement uncertainty within ±0.5% of reading across the entire 250-2000 lbf-ft range and maintain compatibility with the existing CDI TFC2000-0-03 Torque Calibration System. Each transducer must feature a four-hole bolt pattern and include a connecting cable to the indicator. The contractor shall deliver one unit of each transducer model to the designated PMELs.
Performance and delivery requirements include first-class workmanship meeting commercial standards, a minimum two-year warranty on all transducers and indicators, and identification with an Air Force-unique model/part number (format XXXXX-AF) to distinguish from commercial versions. Testing at destination will verify compliance with specified parameters using test equipment certified to NIST or AFMETCAL-approved international laboratory standards; however, the contractor remains responsible for all manufacturing-point inspections and quality checks. Data deliverables include complete user and service manuals with calibration procedures provided on CD/DVD-ROM in indexed PDF format per Data Item Description DI-TMSS-80527D, and two-dimensional engineering drawings in accordance with MIL-STD-31000B containing nomenclature, drawing numbers, part numbers, CAGE codes, revision information, and applicable ITAR or export control statements.
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Text version
26M-012A-TQ
December 15, 2025
Rev 0
PURCHASE DESCRIPTION
FOR
TORQUE CALIBRATION SYSTEM UPGRADE 250-2000 lbf-ft
1. SCOPE:
The Torque Calibration System is a transducer-based system used by the Air Force Precision Measurement Equipment Laboratories (PMELs) as an Air Force Measurement Standard for calibrating torque wrenches, torque screwdrivers, and torque power tools. The Torque Calibration System Upgrade Package (TCSP) shall consist of torque transducers from 250 to 2000 lbf-ft and a digital indicator to display the torque reading. The uncertainty of the displayed torque shall be within +/- 0.5% of reading over the range of 250-2000 lbf-ft.
2. PERFORMANCE REQUIREMENTS:
2.1. The contractor shall deliver one each of the following items to the specified PMELs in the contract:
2.1.1. Snap-on TTC610
2.1.2. Snap-on TTC12
2.1.3. Snap-on TTC13
2.1.4. Snap-on TTC14
2.2. Compatibility:
2.2.1. The items in the TCSP shall be compatible with the CDI TFC2000-0-03 Torque Calibration System.
2.2.2. The transducers in the TCSP shall have a four hole bolt pattern.
2.3. Accuracy: The Torque Calibration System shall have an accuracy of ± 0.5% of Reading, or better.
3. MECHANICAL & PHYSICAL REQUIREMENTS:
3.1. Ancillary Equipment: Each transducer in the TCSP shall come with a cable for connecting the transducer to the indicator.
3.2. Model and Serial Number Identification: The TCSP shall be identifiable by manufacturer, model or part number, and serial number for identification. Model/Part Number for entire kit shall be an Air Force unique number (i.e. XXXXX–AF) to distinguish between the Air Force and Commercial model. Unique item identification shall follow the item Identification and Valuation clause as stated in the contract.
3.3. Workmanship: The workmanship shall be first class, of neat general appearance in compliance with standard commercial practices. The standards of workmanship shall be such that the system complies with the requirements set forth in this purchase description.
4. WARRANTY: Each transducer and indicator provided shall include, at a minimum, a standard 2 year warranty.
5. TESTING: This item will be inspected and accepted at destination as stated in the contract. The item will be checked with test equipment with parameters equal to or better than those required to ensure that specified performance parameters are met. Test equipment used shall have first echelon certification directly traceable to the National Institute of Standards Technology (NIST) or other AFMETCAL-approved equivalent international laboratory. Tests will be performed to ensure that the
Rev 0 item meets the requirements of this purchase description. Such testing at destination does not relieve the contractor of performing all inspections and quality checks at the point of manufacture as necessary to assure performance as specified herein.
Rev 0
Attachment to Purchase Description
Torque Calibration System Upgrade
DATA REQUIREMENTS
MANUALS: A complete user and service manual and calibration procedure shall be provided with each unit in contractor format. Manuals shall be on CD/DVD-ROM in Indexed Portable Document Format
(iPDF). The manuals shall comply with Data Item Description (DID) DI-TMSS-80527D and the Contract
Data Requirements List (DD Form 1423).
Commercial Engineering Design Data and Associated Lists: The following shall be provided: a 2-dimensional (2D) engineering drawing in accordance with MIL-STD-31000B paragraph 5.4.1.4. A geometric representation defining the physical shape of the product. The PDF document shall contain:
Nomenclature, Document/Drawing Number, Part Number, Contract Number, Design Activity
Identification (e.g. CAGE Code(s)), Approved By, Approved Date, Revision Level Identification, Revision
Date, and if applicable Export Control/ITAR Statements, Distribution Statements, Destruction Notices, and/or Classification Requirements.
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