CA4740-0308

Close Tolerance Screw

NSN 5305-00-486-7937

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004867937

Product Features

Spring loaded metal balls protruding from grip for positive engagement

Technical Specifications of NSN

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.277 inches and 0.298 inches
Fastener Length:
Between 0.872 inches and 0.892 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.318 inches and 0.338 inches
Grip Diameter:
Between 0.1885 inches and 0.1895 inches
Shank Unthreaded Hole Diameter:
0.070 inches first hole and 0.080 inches first hole
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.190 inches
Grip Length:
Between 0.594 inches and 0.595 inches
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
180000 pounds per square inch
Hardness Rating:
39.0 rockwell c and 45.0 rockwell c
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Distance From Head Largest Bearing Surface To Shank Hole Center:
0.793 inches first hole and 0.809 inches first hole
Distance From Head Largest Bearing Surface To Shank Hole Center:
0.793 inches and 0.809 inches first hole
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Part Name Assigned By Controlling Agency:
Navy special project
Material:
Steel comp 8740
Material Specification:
Mil-s-6049 military specification single material response
Surface Treatment:
Cadmium and chromate
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator:
Unjf
NSN:
5305-00-486-7937
Item Name:
Screw,machine,flat-head,close Tolerance
Cage Code:
32707

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
HL7126-1
Cage Code:
86831
RNCC:
5
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
GB510K3-08
Cage Code:
26512
RNCC:
5
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
AS109-03-08
Cage Code:
84256
RNCC:
5
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
VP1120-3-08
Cage Code:
92215
RNCC:
5
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
CA4740-0308
Cage Code:
29372
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
HL7126-1
Cage Code:
78062
RNCC:
5
RNVC:
9
RNAAC:
KE
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
Cond. Code:
1
Status:
A

Part Materials

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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Close Tolerance Flat-head Machine Screw"

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Classification: Bolts and bolts and their nuts or washers exported in the same shipment


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