Model: 1894794

Socket Head Cap Screw

Special Features:

High grade alloy steel; used on avco starter 1114673; lubricant finish, dry to touch, per gm4435-m, code a72; gm1131-m, type d sealer around flat under the head; 0.2712 in. Min. And 0.2752 in. Max. Pitch dia. Of threadedportion; 0.2764 in. Max. Pitch dia. After phosphate coating; head bearing surface must be free of tool marks; 0.350 in. Min. Lg unthreaded portion of fastener; ball-type internal wrenching facility; flat u.S. Standard screw point, w/ chamfer 35 deg. Min. And 40 deg. Max. To minor dia.

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.635 inches and 1.680 inches
Fastener Length
Between 1.985 inches and 2.030 inches
Head Style
Flat chamfer
Head Diameter
Between 0.450 inches and 0.460 inches
Head Height
Between 0.306 inches and 0.312 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
Between 0.250 inches and 0.253 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
18
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Material
Steel
Surface Treatment
Phosphate
Surface Treatment Specification
G-4435-m, code a72 mfr ref single treatment response
Thread Series Designator
Unc
Purchase Description Identification
16764-p30s31s1
NSN
5305-01-126-9277
Part Number
1894794
Description
Screw,cap,socket Head
CAGE
1LW55

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 1894794 NSN 5305-01-126-9277

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

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

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