AN510 REV 7
Requirements.
1. Material:
Carbon steel, grade 1010 (UNS G10100) in accordance with ASTM A108 minimum 55,000
UTS or other carbon steels meeting the same physical requirements.
Corrosion resistant steel in accordance with SAE-AMS-QQ-S-763, CLASS 430 (UNS S43000)
or UNS S30430 (CLASS XM-7), ASTM A582/A582M, Type 303 (UNS S30300) or Type
303e (UNS S30323) or SAE-AMS-S-7720 Composition 302 (UNS S30200) for cold
upsetting process.
Brass in accordance with ASTM B16/B16M, ASTM B36/B36M, ASTM B121/B121M, ASTM
B134, ASTM B159/B159M or ASTM B206/B206M with a minimum ultimate tensile strength
of 55,000 psi.
Aluminum alloy 2024 (UNS A92024) in accordance with ASTM B211 or SAE-AMS-QQ-A-
225/6.
2. Finish:
Carbon steel: cadmium plate in accordance with SAE-AMS-QQ-P-416, Type II, Class 3.
Brass: black chemical finish in accordance with MIL-F-495 or cadmium plate in accordance
with SAE-AMS-QQ-P-416, TYPE, CLASS 3, depending on part number coding (see
requirement 11)
Corrosion resistant steel: Passivate in accordance with SAE AMS2700
Aluminum alloy: Anodize in accordance with MIL-A-8625, Type I or II, Class 1.
3. Heat treatment:
Aluminum alloy 62,000 psi minimum ultimate tensile strength in accordance with SAE-AMS2772.
4. Threads:
Threads shall be class 2A in accordance with FED-STD-H28/2. Acceptability of screw threads
shall be in accordance with FED-STD-H28/20, System 21.
5. Thread length:
For screws up to and including 2.000 inches in length, the complete threads shall extend to
within (2) threads of the bearing surface of the head or closer if practicable. Screws of longer
length shall have a minimum complete thread of 1.750 inches.
6. Unthreaded portion:
The diameter of the unthreaded portion of the screws shall not be less than the minimum pitch
diameter nor more than the maximum major diameter of the thread.
7. Undercut heads:
Dash numbers designated by (d) to have undercut heads.
8. Head drive style:
Cross-recess: Recess in accordance with NASM9006.
Slotted head: Refer to table for dimensions (see note 7).
9. Manufacturer identification:
Screws with nominal sizes #10 (.1900) and larger shall be permanently marked with a symbol
indentifing it's manufacturer or private label distributor. Markings shall be placed on the top of
the head and indented. Method and size of markings shall conform to the requirements for
permanent markings specified in SAE AS478.
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