Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.442in. and 0.509in. ⁓33/64"
0.952in. and 0.999in.
flat countersunk undercut
0.502in. and 0.507in.
0.071in. and 0.073in. ⁓5/64"
0.2490in. and 0.2495in.
HIGH-Torque
0.250in. ⁓1/4"
0.490in. and 0.510in.
28
99.5 degrees and 100.5 degrees
32.0 microinches grip
32.0 microinches threads
furnished with one O-Ring seal
titanium alloy
NAS621 comp 6AL-4V assn std single material response or AMS4928 assn std single material response
unjf
On 12/14/2008 under contract SPM5A209M0308 for qty 5,070
1EA
Unjf
Titanium alloy
28
0.490 inches minimum and 0.510 inches maximum
Flat countersunk undercut
0.442 inches minimum and 0.509 inches maximum
Right-hand
3a
Schedule B number: 8109900000
nmfc 136500
Zirconium and articles thereof nesoi
FSC 5305 ⁓ Screws
unjf thread series furnished with one o-ring seal 28 thread quantity per inch 0.490" grip length flat countersunk undercut head style 0.442" thread length right-hand 3a thread class
1. | HT271A4-8 | Cage 73197 |
2. | HT271A4-8 | Cage L4528 |
3. | WC8137-4-8A | Cage 60516 |
4. | HT8137-4-8AS | Cage 06950 |
5. | BM33024V4-8U | Cage 17446 |
6. | ST3M430V4-8AS | Cage 1VSL7 |
7. | ST3M430V4-8AS | Cage 58998 |
8. | ST3M430V4-8AS | Cage 76301 |
9. | ST3M4 | Cage 0PTK6 |
10. | BM33024V4-8U | Cage 97928 |
11. | 10125107 | Cage A486G |
Nothing similar to this part number was found in our inventory
A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is designed to be held or driven with an inserted driver. it is not designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads.