MS/NAS Gr Ex Hv Duty
inch, 303 s/s non-locking
TR1657 Threaded Insert MS/NAS - Extra H Duty - Inch
303 stainless steel - self-locking - MS/NAS grade, material: Stainless steel
Order No.
TR1657.77533
Type
SL
d1
tol. 3B
10-32
Thread type d1
UNF
d2
(mod.) class 2A
7/16-14
Thread type d2
UNC
l1
,312
l3
±0.030
,22
l4 c'bore depth
,07
Inst. c'sink hole size
+0.010|-0.000
,447
Inst. tap drill size
,397
Inst. thread tap depth
min.
,37
Inst. thread tap size
class 2B
7/16-14
Inst. tool ref. TR1706
.0331
Removal drill size
11/32
Removal drill depth
3/16
£ 48.17 per unit (click for quantity discounts)
Ready to despatch 0
Need more? Manufactured within 10 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
Need more? Manufactured within 10 working days from order. Typical UK delivery charge: £13.50. Confirmed at checkout.
| Units | Price/unit after discount | Applied Discount |
| 1-9 | £ 48.17 | 0% |
| 10-19 | £ 43.36 | 10% |
| 20-49 | £ 40.95 | 15% |
| 50-99 | £ 38.54 | 20% |
| 100-499 | £ 31.31 | 35% |
| 500-999 | £ 28.90 | 40% |
| 1000+ | £ 21.68 | 55% |
Technical & Application
Material
Inserts - 303 CRES.
Keys - 302 CRES.
Passivated. Dry film lubrication on self-locking inserts only.
Technical Notes
All dimensions in inches.
Internal threads: to SAE AS8879.
General tolerances -
+/- 0,010 unless specified.
Tap drill hole tolerances -
0,234 to 0,500 = +0,004/-0,001
0,500 and over = +0,005/-0,001
SL = Self-Locking type, deliberate deformity in thread produces self-affect once installed (see technical diagram).
Tips
Order installation tool separately, as identified by "Inst. Tool ref." in table.
Important Notes
Four locking keys on internal threads 1/4 and over. Two locking keys on internal threads smaller than 1/4.
Installation (Inst.) drill size, counter sink, thread tap and thread depth as specified in table.
Removal (Rem.) drill size and drill depth as specified in table.
Perform to standards: MIL-I-45914A (MS51832)
