CA2730-4-22

Close Tolerance Screw

NSN 5305-00-842-1581

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
008421581

Product Features

Retaining element in shank

Detail Specifications

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.290 inches
Fastener Length:
Between 1.813 inches and 1.853 inches
Head Style:
Flat chamfer
Head Diameter:
Between 0.3737 inches and 0.3742 inches
Head Height:
0.263 inches
Grip Diameter:
Between 0.2487 inches and 0.2492 inches
Shank Unthreaded Hole Diameter:
0.076 inches all holes and 0.086 inches all holes
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Grip Length:
Between 1.375 inches and 1.395 inches
Width Across Flats:
Between 0.187 inches and 0.190 inches
Thready Qty Per Inch (tpi):
28
Distance From Head Largest Bearing Surface To Shank Hole Center:
0.099 inches all holes and 0.119 inches all holes
Material:
Steel comp 440c
Thread Series Designator:
Unf
NSN:
5305-00-842-1581
Item Name:
Screw,machine,flat-head,close Tolerance
Cage Code:
29372

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
AS104-04-22
Cage Code:
84256
RNCC:
3
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
CC00035-4-22
Cage Code:
81755
RNCC:
7
RNVC:
2
RNAAC:
KZ
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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