3M1170D4-4AF

Close Tolerance Screw

NSN 5305-01-481-7843

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
# packager options so lo EA
NIIN:
014817843

Product Features

Cetyl alcohol per mil-l-87132, type i, grade b; chamfered end - chamfer plus incomplete threads not to exceed 2 thread pitches

Technical Specifications of NSN

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches
Fastener Length:
Between 0.660 inches and 0.690 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.3859 inches and 0.3948 inches
Spline Minor Diameter:
Between 0.1105 inches and 0.1125 inches
Spline Major Diameter:
Between 0.1540 inches and 0.1560 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Single Shear Strength:
125000 pounds per square inch
Point Style:
Flat
Internal Drive Style:
Torx
End Application:
F18 e/f
Thread Diameter:
0.250 inches
Grip Length:
Between 0.240 inches and 0.260 inches
Features Provided:
Dry film lubricant
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
4400 pounds per square inch
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Criticality Code Justification:
Agav
Part Name Assigned By Controlling Agency:
Bolt, 100 degrees reduced head, gear drive recess
Material:
Steel comp xm-13
Material Specification:
Ams 5629, ph13-8mo assn standard single material response
Surface Treatment:
Aluminum
Surface Treatment Specification:
Mil-dtl-83488, type ii, class 3 military specification single treatment response
Thread Series Designator:
Unjf
NSN:
5305-01-481-7843
Item Name:
Screw,machine,flat-head,close Tolerance
Cage Code:
76301

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
HP1170D4-4F
Cage Code:
0ZC92
RNCC:
3
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
TX1027D4-4AF
Cage Code:
27624
RNCC:
3
RNVC:
2
RNAAC:
KE
Status:
A
MSDS:
SADC:
Part Number:
11825D4-4AF
Cage Code:
59563
RNCC:
5
RNVC:
2
RNAAC:
ZZ
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:
A
ESD:
ESD:
MMAC:
CRITL:
Y

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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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