Technical guide for INSIZE Thread Ring Gage 4221 Aerospace Standard (ANSI/ASME B1.2 Class 3A) Range; Ø4-40UNJC – Ø1 5/16-12UNJ:
Ordering Guide for INSIZE Thread Ring Gage 4221 Aerospace Standard (ANSI/ASME B1.2 Class 3A) Range; Ø4-40UNJC – Ø1 5/16-12UNJ:
Standard Size |
Order Code |
Go |
No-Go |
No. 4-40UNJC |
4221-41A |
4221-41AN |
No. 4-48UNJF |
4221-42A |
4221-42AN |
No. 5-40UNJC |
4221-51A |
4221-51AN |
No. 5-44UNJF |
4221-52A |
4221-52AN |
No. 6-32UNJC |
4221-61A |
4221-61AN |
No. 6-40UNJF |
4221-62A |
4221-62AN |
No. 8-32UNJC |
4221-81A |
4221-81AN |
No. 8-36UNJF |
4221-82A |
4221-82AN |
No. 10-24UNJC |
4221-101A |
4221-101AN |
No. 10-32UNJF |
4221-102A |
4221-102AN |
No. 12-24UNJC |
4221-121A |
4221-121AN |
No. 12-28UNJF |
4221-122A |
4221-122AN |
No. 12-32UNJEF |
4221-123A |
4221-123AN |
1/4-20UNJC |
4221-1B1A |
4221-1B1AN |
1/4-28UNJF |
4221-1B2A |
4221-1B2AN |
1/4-32UNJEF |
4221-1B3A |
4221-1B3AN |
1/4-36UNJS |
4221-1B4A |
4221-1B4AN |
5/16-18UNJC |
4221-5D1A |
4221-5D1AN |
5/16-24UNJF |
4221-5D2A |
4221-5D2AN |
5/16-32UNJEF |
4221-5D3A |
4221-5D3AN |
3/8-16UNJC |
4221-3C1A |
4221-3C1AN |
3/8-24UNJF |
4221-3C2A |
4221-3C2AN |
3/8-32UNJEF |
4221-3C3A |
4221-3C3AN |
7/16-14UNJC |
4221-7D1A |
4221-7D1AN |
7/16-20UNJF |
4221-7D2A |
4221-7D2AN |
7/16-28UNJEF |
4221-7D3A |
4221-7D3AN |
1/2-13UNJC |
4221-1A1A |
4221-1A1AN |
1/2-20UNJF |
4221-1A2A |
4221-1A2AN |
1/2-28UNJEF |
4221-1A3A |
4221-1A3AN |
9/16-12UNJC |
4221-9D1A |
4221-9D1AN |
9/16-18UNJF |
4221-9D2A |
4221-9D2AN |
9/16-24UNJEF |
4221-9D3A |
4221-9D3AN |
7/16-28UNJEF |
4231-7D3 |
4231-7D3B |
1/2-13UNJC |
4231-1A1 |
4231-1A1B |
1/2-20UNJF |
4231-1A2 |
4231-1A2B |
1/2-28UNJEF |
4231-1 A3 |
4231-1 A3B |
Standard Size |
Order Code |
Go |
No-Go |
5/8-11UNJC |
4221-5C1A |
4221-5C1AN |
5/8-18UNJF |
4221-5C2A |
4221-5C2AN |
5/8-24UNJEF |
4221-5C3A |
4221-5C3AN |
11/16-16UNJ |
4221-11D516A |
4221-11D516AN |
11/16-24UNJEF |
4221-11D3A |
4221-11D3AN |
3/4-1OUNJC |
4221-3B1A |
4221-3B1AN |
3/4-16UNJF |
4221-3B2A |
4221-3B2AN |
3/4-20UNJEF |
4221-3B3A |
4221-3B3AN |
13/16-16UNJ |
4221-13D516A |
4221-13D516AN |
13/16-20UNJEF |
4221-13D3A |
4221-13D3AN |
7/8-9UNJC |
4221-7C1A |
4221-7C1AN |
7/8-14UNJF |
4221-7C2A |
4221-7C2AN |
7/8-16UNJ |
4221-7C516A |
4221-7C516AN |
7/8-20UNJEF |
4221-7C3A |
4221-7C3AN |
15/16-20UNJEF |
4221-15D3A |
4221-15D3AN |
1-8UNJC |
4221-2A1A |
4221-2A1AN |
1-12UNJF |
4221-2A2A |
4221-2A2AN |
1-14UNJS |
4221-2A514A |
4221-2A514AN |
1-20UNJEF |
4221-2A3A |
4221-2A3AN |
1-32UNJ |
4221-2A532A |
4221-2A532AN |
1 1/16-12UNJ |
4221-1E512A |
4221-1E512AN |
1 1/16-18UNJEF |
4221-1E3A |
4221-1E3AN |
1 1/8-7UNJC |
4221-1F1A |
4221-1F1AN |
1 1/8-8UNJ |
4221-1F58A |
4221-1F58AN |
1 1/8-12UNJF |
4221-1F2A |
4221-1F2AN |
1 1/8-18UNJEF |
4221-1F3A |
4221-1F3AN |
1 3/16-12UNJ |
4221-3E512A |
4221-3E512AN |
1 3/16-18UNJEF |
4221-3E3A |
4221-3E3AN |
1 1/4-7UNJC |
4221-1G1A |
4221-1G1AN |
1 1/4-8UNJ |
4221-1G58A |
4221-1G58AN |
1 1/4-12UNJF |
4221-1G2A |
4221-1G2AN |
1 1/4-18UNJEF |
4221-1G3A |
4221-1G3AN |
1 5/16-12UNJ |
4221-5E512A |
4221-5E512AN |
1 1/4-8UNJ |
4231-1G58 |
4231-1G58B |
1 1/4-12UNJF |
4231-1G2 |
4231-1G2B |
1 1/4-18UNJEF |
4231-1G3 |
4231-1G3B |
1 5/16-12UNJ |
4231-5E512 |
4231-5E512B |