# SAM #N4215827QN002

Sole-source onsite repair and calibration of a Navy mercury manometer

**Buyer:** Norfolk Naval Shipyard
**Posted:** October 15, 2026
**Respond By:** October 19, 2026
**Identifier:** N4215827QN002
**NAICS:** 811210

Norfolk Naval Shipyard is seeking onsite repair and calibration of its primary pressure standard mercury manometer for Navy calibration operations.
- **Government buyer:** U.S. Navy, Norfolk Naval Shipyard, Mid-Atlantic Regional Calibration Center (MARCC), NNSY Code 137.3.
- **OEM/vendor:** **Schwien Engineering, Inc.** is identified as the OEM and is the sole-source provider; the notice states that other submissions will not be considered.
- **Requested service:** Onsite repair and calibration of the Primary Pressure Standard, Mercury Manometer. No equipment quantity or part number is provided.
  - Eight labor/travel days total: five onsite labor days and three days of round-trip travel from Pomona, California, to Norfolk, Virginia.
  - One round-trip airfare from Los Angeles to Norfolk, one round-trip shuttle from Pomona to Los Angeles, one week of car rental, and six days of per diem at $375 per day.
- **Calibration requirements:** Calibration must be traceable to an accepted standard and meet a 4:1 test-accuracy ratio (TAR/TUR) or a maximum 2% false-accept risk. Replacement spare parts, if required, are an additional cost.
- **Performance period:** Begins at award and runs for 364 days.

### Description

<p>The Government is issueing a sole source Request for Quote to Schwien Engineering for repair and calibration services of a Mercury Manometer. No other submission will be taken into consideration at this time.</p>

[View original listing](https://sam.gov/opp/f687defe819d4c9a859e7bcdb7afa119/view)