3M991-4-6

Socket Head Cap Screw

NSN 5305-00-983-6661

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 HD

NIIN:

009836661

Detail Specifications

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.844 inches and 0.875 inches

Fastener Length:

Between 0.844 inches and 0.875 inches

Head Style:

Flat chamfer

Head Diameter:

Between 0.365 inches and 0.375 inches

Head Height:

Between 0.244 inches and 0.250 inches

Internal Drive Style:

Hexagon

Thread Diameter:

0.250 inches

Width Across Flats:

Between 0.187 inches and 0.190 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

160000 pounds per square inch

Hardness Rating:

36.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength:

130000 pounds per square inch

Material:

Steel

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-p-416 type 2 cl 3 federal specification single treatment response

Thread Series Designator:

Unf

NSN:

5305-00-983-6661

Item Name:

Socket Head Cap Screw

Cage Code:

56878

Manufacturer Part Numbers

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

870572-00

Cage Code:

32345

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M991-4-6

Cage Code:

82896

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M991-4-6

Cage Code:

76301

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M991-4-6

Cage Code:

45722

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

XX002-0279

Cage Code:

H2229

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS16998-44

Cage Code:

96906

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AJA01-C06

Cage Code:

16962

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

5305009836661

Cage Code:

SCY13

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

1.5000lbs

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

We Guarantee with Every Order

100% Genuine Manufacturers Parts
Every Product thoroughly Inspected
Sales Record Retention of 7 years
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Pricing & Availability

Submit this form for current pricing and availability quote on part number 3m991-4-6 and/or cross reference parts.

Definition Definition of approved item name (AIN): "Socket Head Cap Screw"

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.