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Products in the Teknipart Thinwall range:

Product TR1520, Threaded Insert - Metric thinwall - carbon steel

Threaded Ins Metr
thinwall - carbon steel

Threaded Insert - Inch
thinwall - carbon steel

Product TR1608, Threaded Insert MS/NAS - L Duty - Metric 4140 steel - non-locking - MS/NAS grade

MS/NAS Grade L. Duty
metric, steel non-locking

Product TR1609, Threaded Insert MS/NAS - L Duty - Metric 4140 steel - self-locking - MS/NAS grade

MS/NAS Grade L. Duty
metric, steel self-locking

Product TR1662, Threaded Insert MS/NAS - Thinwall - Inch 4140 steel - non-locking - MS/NAS grade

MS/NAS Gr. Thinwall
inch, steel non-locking

Product TR1663, Threaded Insert MS/NAS - Thinwall - Inch 4140 steel - self-locking - MS/NAS grade

MS/NAS Gr. Thinwall
inch, steel self-locking

TR1663 Threaded Insert MS/NAS - Thinwall - Inch	199 kB
Thinwall	1 MB
Threaded Inserts Steel	4 MB
Threaded Inserts	15 MB

Threaded Insert MS/NAS - Thinwall - Inch

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Data Sheet

Photo

TR1663 Threaded Insert MS/NAS - Thinwall - Inch

4140 steel - self-locking - MS/NAS grade, Material: Steel

Data Table

Order No.	Type	d₁ class 3B	Thread type d₁	d₂ (mod.) class 2A	Thread type d₂	Inst. tap drill size	l₁	l₃ ±0.030	l₄ c'bore depth	Inst. c'sink hole size +0.010\|-0.000	Inst. thread tap depth min.	Inst. thread tap size class 2B	Inst. tool ref. TR1702	Removal drill depth	Removal drill size
TR1663.81321	SL	10-24	UNC	5/16-18	UNC	.272	.312	.22	.07	.323	.37	5/16-18	.0210	5/32	7/32
TR1663.81521	SL	10-32	UNF	5/16-18	UNC	.272	.312	.22	.07	.323	.37	5/16-18	.0211	5/32	7/32
TR1663.81322	SL	1/4-20	UNC	3/8-16	UNC	.332	.375	.22	.07	.385	.43	3/8-16	.0220	3/16	9/32
TR1663.81522	SL	1/4-28	UNF	3/8-16	UNC	.332	.375	.22	.07	.385	.43	3/8-16	.0221	3/16	9/32
TR1663.81323	SL	5/16-18	UNC	7/16-14	UNC	.397	.437	.22	.07	.447	.50	7/16-14	.0230	3/16	11/32
TR1663.81523	SL	5/16-24	UNF	7/16-14	UNC	.397	.437	.22	.07	.447	.50	7/16-14	.0231	3/16	11/32
TR1663.81324	SL	3/8-16	UNC	1/2-13	UNC	.453	.500	.24	.07	.510	.56	1/2-13	.0240	3/16	13/32
TR1663.81524	SL	3/8-24	UNF	1/2-13	UNC	.453	.500	.24	.07	.510	.56	1/2-13	.0241	3/16	13/32
TR1663.81325	SL	7/16-14	UNC	9/16-12	UNC	.516	.562	.27	.07	.572	.62	9/16-12	.0250	3/16	15/32
TR1663.81525	SL	7/16-20	UNF	9/16-12	UNC	.516	.562	.27	.07	.572	.62	9/16-12	.0251	3/16	15/32
TR1663.81326	SL	1/2-13	UNC	5/8-11	UNC	.578	.625	.28	.07	.635	.68	5/8-11	.0260	3/16	17/32
TR1663.81526	SL	1/2-20	UNF	5/8-11	UNC	.578	.625	.28	.07	.635	.68	5/8-11	.0261	3/16	17/32

Technical & Application

Material

Inserts - 4140 alloy steel (160 KSI Min).
Keys - 302 CRES.
Cadmium plate (QQ-P-416 Type II, Cl. 2). 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 5/16 and over. Two locking keys on internal threads smaller than 5/16.
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 (MS51830 & NAS1394)

CAD & Data Sheets

Product Datasheets

TR1663 Threaded Insert MS/NAS - Thinwall - Inch	199 kB
Thinwall	1 MB
Threaded Inserts Steel	4 MB
Threaded Inserts	15 MB

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