MS35759C
Rubber shall be in accordance with ASTM-D2000 chloroprene polymers (neoprene), cm (8C) and shall be fluid resistance in oils and lubricants.
Spring materials.
Spring shall be steel in accordance with SAE-AMS-QQ-W-428, type II or ASTM-A227/A227M, class 2.
Plating finish designators shall be specified in table II.
TA8LE II. Plating finish identification codes. 1/
PIN code plating finish |
Material |
Plating finish |
C |
Steel |
Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2, 2/ |
F |
Steel |
NAVAIR trivalent chromium pretreatment (TCP) in accordance with MIL-DTL-5541, type II, class 1a. |
H |
Steel |
Zinc phosphate finish in accordance with MIL-DTL-16232 type Z, class1. 3/ |
J |
Steel |
Zinc plating in accordance with ASTM-8633; type II or III, Fe/Zn 5, or ASTM-8695, type II, class 5 |
N |
Steel |
Zinc plating in accordance with ASTM-8633; type VI, Fe/Zn 5, |
P |
Steel |
Aluminum-nickel in accordance with ASTM-F1136, grade 3, NC. |
V |
Steel |
Zinc-nickel in accordance with SAE-AMS2417, type 1 |
1/ Finished product shall be shall be capable of withstanding minimum of 96 hours salt spray.
2/ Embitterment test need not be run.
3/ Hexavalent chromium free.
Trivalent wrenchability. This term is used to evaluate the ability of the finish to withstand abrasion from excessive amount of wrenching. Where wrenchability is poor, the need to touch-up the finish is needed, brush plating of hard chromium by electrodeposition shall be in accordance with
SAE-AMS-2451/5 and brush plating of medium-hardness, low stress nickel by electrodeposition shall be in accordance with SAE-AMS-2451/9.
Part or Identifying Number (PIN): (The PIN covers the complete item with nuts and sleeves.) MS 35759 -6 N
Finish (see table II)
Size dash no. (see figure 1) Specification sheet number
MS prefix
Example of a PIN: M35759-6R, is an automatic grease cup feed that holds 2 ounces of grease and is zinc plated in accordance with ASTM-8633; type VI, Fe/Zn 5.
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