Model: 256-057-01

Turnlock Fastener Stud

Properties:

Grip Length
Between 0.491 inches and 0.507 inches
Diameter
0.340 inches
Securing Device Type
Ring
Turnlock Stud Shank Style
Stud shank
Turnlock Stud Head Style
Flat countersunk
Material Accommodated Thickness
Between 0.227 inches and 0.290 inches
Drive Type
Cross recess
Shank Neck Length
Between 0.373 inches and 0.389 inches
Stud Shank Major Diameter
0.243 inches
Material
Steel stud
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response stud
NSN
5325-01-050-7502
Part Number
256-057-01
Description
Stud,turnlock Fastener
CAGE
99592

A pinlike item designed to turn within and be held in place by an eyelet, turnlock fastener; ring, retaining; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a lockspring, turnlock fastener or receptacle, turnlock fastener. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

Part 256-057-01 NSN 5325-01-050-7502

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18421
FIIG:
A05400
Concept No.:
App. Key:
HH
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
066440
UFC:
36960
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 9607190000
  • SITC: 89985
  • End Use: Finished textile supplies
  • NAICS: 339993
  • USDA: 1

Freight Class: Slide fasteners, nesoi

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