# NATO Support and Procurement Agency #GRA26025B

NSPA request for one aircraft fuel-system test set

**Posted:** October 08, 2026
**Respond By:** November 30, 2026
**Identifier:** GRA26025B
**NAICS:** 334515

NSPA is seeking one specialized test set for aircraft fuel-quantity gauging systems.
- **Buyer:** NATO Support and Procurement Agency (NSPA), purchasing organisation LW - AWACS.
- **Requested equipment:** One aircraft fuel-system test set, NSN 6625-01-035-0257.
  - Authorized configurations: Part No. 361-012-001, Model GTF-2, or Part No. 361-015-001, Model GTF-6 Gull Airborne. **No substitute is authorized.**
  - Used to test and calibrate aircraft fuel quantity gauges, probes, indicators, and complete gauging systems.
  - Key specifications: 0.0–8000.0 pF capacitance range, four ranges, five-digit display, self-calibration, 105–125 V AC, and 47–440 Hz.
  - Nominal dimensions: 14.250 × 16.870 × 10.810 inches.
- **Named manufacturer/vendor references:** Gull Airborne is included in the specified GTF-6 model name, but the materials do not expressly identify a separate OEM for the test set. Supporting technical references also mention Parker-Hannifin Corp, Federal Commercial Item, JEDNOLITY INDEKS MATERIALOWY - UNIF, Essex Cryogenics, LockheedGeorgia Co., The Boeing Co., and Amphenol; they are not identified as suppliers of the requested test set.

### Description

NSPA is requesting proposals for one TEST SET, FUEL SYSTEM, NSN 6625-01-035-0257. The specified equipment is designed to test and calibrate aircraft fuel quantity gauges, probes, indicators, and complete gauging systems. The RFP identifies a variable capacitance tester, Part No. 361-012-001, Model GTF-2 or Part No. 361-015-001, Model GTF-6 Gull Airborne, with no substitute authorized. Proposals will be evaluated first for compliance with the RFP terms and conditions and then on lowest price; the offer closing date is 30 November 2026.

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