A286 CRES NAS Tension Type Lockbolts

A286 CRES NAS lockbolts are designed for use in high-strength, high-temperature applications. The lockbolt is readily adaptable to high-volume production methods.

During installation, the collar is swaged into the lock grooves of the pin and forms a high-strength, vibration-resistant joint. The simple installation procedure reduces production time to a minimum, resulting in lower production costs. 

NAS Part Number
Lockbolts		HFS Part Number
Lockbolts		Description
NAS6946 -6952N/A100° MS24694 tension-flush head, pull-type lockbolts in 3/16 thru 3/8 diameters
NAS6955 – 6962N/A100° MS20426 tension-flush head, pull-type lockbolts in 5/32 thru 3/8 diameters
NAS6965 – 6972N/ATension-type protruding head, pull-type lockbolts in 5/32 thru 3/8 diameters
NAS Part Number
Collars		HFS Part Number
Collars		Description
NAS1080-LC-C2024-T4 aluminum beaded collar for 5/32, 3/16 & 1/4 diameters
NAS1080P7LC-C2024-T4 aluminum beaded collar for 5/16 & 3/8 diameters
NAS1080MG2DC-MMonel® alloy double-ended collar for 5/32 diameter only
NAS1080MK6DC-MMonel® alloy double-ended collar for 3/16 thru 3/8 diameters
NAS1080UG2DC-EUA286 CRES double-ended collar for 5/32 diameter only
NAS1080UK6DC-EUA286 CRES double-ended collar for 3/16 thru 3/8 diameters

Mechanical performance data for A286 CRES tension-type NAS lockbolts

Fastener
Diameter		Ultimate Tensile with NAS1080- Collars
(lb.)		Ultimate Tensile with NAS1080P Collars
(lb.)		Ultimate Tensile with NAS1080- , UG & UK Collars
(lb.)		Double Shear Strength Based on 95 KSI
(lb.)
5/321100N/A11003610
3/162210N/A22105380
1/44080N/A40809300
5/16N/A6500650014600
3/16N/A101001010021000

Reference:
NAS1413 for lockbolt procurement and quality conformance requirements
NAS1080 for lockbolt collars

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