Lockbolt Fastening Systems : NAS Lockbolt : NAS Tension Lockbolt : A-286 CRES NAS Tension Type Lockbolts

A-286 CRES NAS Tension Type Lockbolts

Huck A-286 CRES NAS Lockbolt fasteners are designed for use in high-strength high temperature applications.  The Lockbolt fastener is readily adaptable to high volume production methods. During installation, the Lockbolt fastener is locked together to produce a permanent vibration-resistant fastener which cannot loosen under vibration because the collar material is swaged into annular grooves during the installation. The simple installation procedures reduce production time to a minimum, resulting in lower production costs. An unskilled worker can install up to 15 Lockbolt fasteners per minute.

NAS Part Number
Lockbolts

Huck Part Number
Lockbolts

Description

NAS6946 -6952

N/A

100° MS24694 tension flush head, pull type Lockbolts in 3/16 thru 3/8 diameters

NAS6955 - 6962

N/A

100° MS20426 tension flush head, pull type Lockbolts in 5/32 thru 3/8 diameters

NAS6965 - 6972

N/A

Tension type protruding head, pull type Lockbolts in 5/32 thru 3/8 diameters

NAS Part Number
Collars

Huck Part Number
Collars

Description

NAS1080-

LC-C

2024-T4 Aluminum beaded collar for 5/32, 3/16 & 1/4 diameters

NAS1080P

7LC-C

2024-T4 Aluminum beaded collar for 5/16 & 3/8 diameters

NAS1080MG

2DC-M

Monel double ended collar for 5/32 diameter only.

NAS1080MK

6DC-M

Monel double ended collar for 3/16 thru 3/8 diameters

NAS1080UG

2DC-EU

A-286 CRES double ended collar for 5/32 diameter only.

NAS1080UK

6DC-EU

A-286 CRES double ended collar for 3/16 thru 3/8 diameters


Mechanical performance data for A-286 CRES tension type NAS Lockbolts

Fastener
Diameter

Ultimate Tensile with NAS1080- Collars

Ultimate Tensile with NAS1080P Collars

Ultimate Tensile with NAS1080- , UG & UK Collars

Double Shear Strength Based on 95 KSI

5/32

1100 lbs

N/A

1100 lbs

3610 lbs

3/16

2210 lbs

N/A

2210 lbs

5380 lbs

1/4

4080 lbs

N/A

4080 lbs

9300 lbs

5/16

N/A

6500 lbs

6500 lbs

14600 lbs

3/16

N/A

10100 lbs

10100 lbs

21000 lbs



Reference:
 
NAS1413 for Lockbolt procurement and quality conformance requirements.
NAS1080 for Lockbolt collars.

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+49 8251 8757-0
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