| Refer to File No. JJ52 (348-MSR) |
NORFOLK NAVY YARD PORTSMOUTH. VA. |
LEC |
| From: | The Commandant |  |
| To: | The Bureau of Ships | |
| Subject: | Low Visibility Plight Deck Stain (Formula 250N) and Low Visibility Flight Deck Marking Stain (Formula 251N) - Specifications for. | |
| Reference: | ||
| (a) | BuShips ltr. #S19-(7) (350) dated Nov. 30, 1942. | |
1. Following a visit to the Yard of a representative of the Bureau, Mr. Graham, it was considered advisable to make slight changes in the Low Visibility Flight Deck Stain, Formula #250-N in order to make it match more nearly the current Blue Deck, 20-B before reporting it to the Bureau as requested in the reference.
2. The following are calculated 100 gallon formulas for both 250-N and 251-N:
| Formula 250-N | |
| Ultramarine Blue (CUX) | 6.4 lbs. |
| Titanox A-NC | 109.6 |
| Lampblack (Old Abe) | 8.0 |
| Chrome Green | 4.0 |
| Aluminum Stearate | 8.0 |
| Magnesium Silicate | 32.0 |
| Varnish(52-V-17)(visc. L-M) | 80.0 |
| Mineral Spirits | 440.0 |
| High Aromatic Naphtha-type 2 | 80.0 |
| Lead Naphthenate (24%) | 0.371 |
| Manganese " (6%) | 0.018 |
| *Lampblack-in-oil | 27.341 |
| 795.730 lbs. | |
* Vary to match color 20-B
| Formula 251-N | |
| Ultramarine Blue (CUX) | 11.2 lbs. |
| Titanox A-NC | 116.0 |
| Lampblack (Old Abe) | 0.8 |
| Aluminum Stearate | 8.0 |
| Magnesium Silicate | 32.0 |
| Varnish(52-V-17)(visc. L-M) | 80.0 |
| Mineral Spirits | 440.0 |
| High Aromatic Naphtha-type 2 | 80.0 |
| Lead Naphthenate (24%) | 0.186 |
| Manganese Naphthenate (6%) | 0.009 |
| *Lampblack-in-oil | 6.42 |
| 774.615 lbs. | |
* Vary to match color of 5-0
