Model: NAS577B4A

Barrel Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Nut Style
Floating self-locking barrel
Nut Diameter
Between 0.525 inches and 0.528 inches
Nut Length
Between 0.615 inches and 0.635 inches
Barrel Height
Between 0.310 inches and 0.320 inches
Nut Height
0.406 inches
Tempurature Rating
Not rated
Thread Series
Unjf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
28
Hardness Rating
Not rated
Thread Size
0.250 inches
Material
Steel comp 8740 or steel comp 4340
Material Specification
Ams 6322 assn standard 1st material response or mil-s-6049 military specification 1st material response or mil-s-8844 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Specification Data
80205-nas577 professional/industrial association standard
NSN
5310-01-232-3542
Part Number
NAS577B4A
Description
Nut,self-locking,barrel
CAGE
80205

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.

Part NAS577B4A NSN 5310-01-232-3542

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15891
FIIG:
A021A0
Concept No.:
1
App. Key:
BH
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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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