HT4UA47

Close Tolerance Screw

NSN 5305-00-144-4096

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
001444096

Product Features

O-ring included

Detail Specifications

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.469 inches
Fastener Length:
3.407 inches
Head Style:
Flat countersunk undercut
Head Diameter:
Between 0.502 inches and 0.506 inches
Head Height:
Between 0.071 inches and 0.073 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Grip Length:
2.938 inches
Thready Qty Per Inch (tpi):
28
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Countersink Angle:
100.0 degrees
Material:
Steel comp 4130 or steel comp 4140 or steel comp 4340 or steel comp 8735 or steel comp 8740
Surface Treatment:
Cadmium
Surface Treatment Specification:
Qq-p-416 ty ii cl b federal specification single treatment response
Thread Series Designator:
Unjf
NSN:
5305-00-144-4096
Item Name:
Screw,machine,flat-head,close Tolerance
Cage Code:
73197

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
54266-4-47
Cage Code:
80539
RNCC:
3
RNVC:
2
RNAAC:
9Z
Status:
A
MSDS:
SADC:
Part Number:
HT408A4-47
Cage Code:
92215
RNCC:
3
RNVC:
2
RNAAC:
9Z
Status:
A
MSDS:
SADC:
Part Number:
HT408A4-47
Cage Code:
C4293
RNCC:
5
RNVC:
2
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
HT4UA47
Cage Code:
C4293
RNCC:
5
RNVC:
2
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
54266-4-47
Cage Code:
56878
RNCC:
5
RNVC:
9
RNAAC:
9Z
Status:
A
MSDS:
SADC:
Part Number:
3M46-4-47
Cage Code:
76301
RNCC:
5
RNVC:
2
RNAAC:
ZG
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

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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.

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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