Model: 1894793

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; 0.850 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

Thread Direction

Right-hand

Thread Length

Between 1.485 inches and 1.800 inches

Fastener Length

Between 2.605 inches and 2.650 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)

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

5305-01-130-9471

Part Number

1894793

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 1894793 NSN 5305-01-130-9471

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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