NSN 5305-00-548-5077 Close Tolerance Screw

Availability

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Manufacturer Datasheet

SKU: 5305-00-548-5077 Model: 51B581-4-9

MRC

Name

Detail

MRC:

AAJD

Thread Class

MRC:

AAJF

Thread Direction

Right-hand

MRC:

AASA

Thread Length

Between 0.290 inches and 0.357 inches

MRC:

AASB

Fastener Length

Between 0.862 inches and 0.909 inches

MRC:

AASK

Head Style

Flat countersunk

MRC:

AASL

Head Diameter

Between 0.390 inches and 0.395 inches

MRC:

AAUR

Grip Diameter

Between 0.2485 inches and 0.2495 inches

MRC:

AAWB

Shank Unthreaded Hole Diameter

0.076 inches first hole

MRC:

ABQZ

Internal Drive Style

Offset cruciform (torque set)

MRC:

AHYM

Thread Diameter

0.250 inches

MRC:

ANEE

Grip Length

Between 0.552 inches and 0.572 inches

MRC:

CMLP

Thready Qty Per Inch (tpi)

MRC:

CQBC

Min. Tensile Strength (psi)

180000 pounds per square inch

MRC:

CQFM

Hardness Rating

39.0 rockwell c and 43.0 rockwell c

MRC:

CRSQ

Countersink Angle

100.0 degrees

MRC:

CRZS

Distance From Head Largest Bearing Surface To Shank Hole Center

0.736 inches first hole and 0.803 inches first hole

MRC:

CSYM

Surface Finish

32.0 microinches grip

MRC:

MATT

Material

Steel comp 4340 or steel comp 4140 or steel comp 8740

MRC:

SFTT

Surface Treatment

Cadmium and chromate

MRC:

STDC

Surface Treatment Specification

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

MRC:

THSD

Thread Series Designator

Unjf

MRC:

ZZZK

Specification Data

76823-51b581 manufacturers standard

MRC:

NSN

5305005485077

MRC:

Supply Class

#5305 - Screws

MRC:

PMIC

Precious metal content is unknown.

MRC:

HMIC

No MSDS. No hazardous material.

MRC:

Unit of Issue

Manufacturers and Distributors

CAGE

Name

CAGE:

76823

NORTHROP GRUMMAN SYSTEMS CORPORATION

CAGE:

0JRC1

NORTHROP GRUMMAN TECHNICAL SERVICES,

CAGE:

06950

ARCONIC GLOBAL FASTENERS & RINGS,

CAGE:

06725

SPS TECHNOLOGIES, LLC

CAGE:

27624

SPS TECHNOLOGIES, LLC

CAGE:

22915

NORTHROP GRUMMAN CORP

CAGE:

73197

HI-SHEAR CORPORATION

CAGE:

80539

SPS TECHNOLOGIES, LLC

CAGE:

L4528

LISI AEROSPACE CANADA CORP

Part Numbers and Brands

Part Number

Brand

51B581-4-9

Northrop Grumman Systems Corporation

51B581-4-9H

Lisi Aerospace Canada Corp

Certificates

Factory New (FN), New Material (NE), New Unused Surplus (NS), Overhauled (OH), Serviceable (SV), Repairable (RP), and AS Removed / Used (AR) material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable.

Delivery

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Satisfaction

Your satisfaction is our success! At NationalStockNumber.parts we believe that we have the best quality service out there. If you run into any issues, we are here to solve them! Contact us by phone or email at any time.