HR248-4-8BJ

Close Tolerance Screw

NSN 5305-01-298-7765

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

10 EA

NIIN:

012987765

Product Technical Spec.

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.444 inches and 0.494 inches

Fastener Length:

Between 0.954 inches and 0.984 inches

Head Style:

Oval countersunk

Head Diameter:

Between 0.3898 inches and 0.3948 inches

Grip Diameter:

Between 0.2485 inches and 0.2495 inches

Internal Drive Style:

Offset cruciform (torque set)

Thread Diameter:

0.250 inches

Grip Length:

Between 0.490 inches and 0.510 inches

Features Provided:

Cetyl alcohol lubricant

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

125000 pounds per square inch

Countersink Angle:

Between 99.0 degrees and 101.0 degrees

Material:

Nickel alloy 718

Surface Treatment:

Aluminum

Thread Series Designator:

Unjf

NSN:

5305-01-298-7765

Item Name:

Screw,machine,flat-head,close Tolerance

Cage Code:

73197

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

3M939-4-8F

Cage Code:

76301

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

80539

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AIC939-4-8P

Cage Code:

06725

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

0ZC92

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

SC5087-4-8P

Cage Code:

06950

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

1EM77

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

1VSL7

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

56878

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

58998

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

60516

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

HR248-4-8BJ

Cage Code:

L4528

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

VT1731-4-8P

Cage Code:

92215

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3M939-4-8F

Cage Code:

58845

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

SC1823-4-8P

Cage Code:

06950

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29294

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:

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:

139820

UFC:

70220

LTL:

85.0

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
Fast Delivery
HAZMAT Certified
Global Shipping

Pricing & Availability

Submit this form for current pricing and availability quote on part number hr248-4-8bj and/or cross reference parts.

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.