Model: NAS1921M04S02AU

Blind Rivet

Special Features:

Single action installation; utilizes drive anvil washer as part of rivet assembly

Properties:

Fastener Length
0.260 inches
Head Style
Flush (flat) countersunk (included angle - less than 135 degrees w or w/o chamfer)
Shank Diameter
Between 0.124 inches and 0.128 inches
Shank Style
Self-plugging mechanically locked stem
Head Major Diameter
Between 0.221 inches and 0.229 inches
Expansion Device
Serrated stem-type w
End Application
Nh90, helicopter
Grip Length
Between 0.063 inches and 0.125 inches
Countersink Angle
Between 98.5 degrees and 101.5 degrees
Part Name Assigned By Controlling Agency
Rivet blind, general purpose, bulbed, protruding head, mechanically locked spindle
Material
Iron alloy 660 locking ring
Material
Iron alloy 660 stem
Material
Nickel alloy 400 sleeve
Material Specification
Ams 5737 assn standard 1st material response locking ring or qq-n-281 federal specification 2nd material response locking ring
Material Specification
Ams 5737 assn standard 1st material response stem
Material Specification
Qq-n-281 federal specification single material response sleeve
Surface Treatment
Aluminum stem
Surface Treatment
Passivate locking ring
Surface Treatment Specification
Nas4006 assn standard single treatment response stem
Surface Treatment Specification
Qq-p-35 federal specification single treatment response locking ring
NSN
5320-01-529-1377
Part Number
NAS1921M04S02AU
Description
Rivet,blind
CAGE

An item consisting of two or more of the following components: stem, rivet body, sleeve, expander, bolt, and collar. It is a headed fastening device with the shank designed to be expanded by means of a separate or integral stem or mandrel, or bolt and expander. It is designed to be installed or expanded from one side only. Excludes nut, blind assembly.

Part NAS1921M04S02AU NSN 5320-01-529-1377

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00864
FIIG:
A040A0
Concept No.:
App. Key:
G
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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