Machine Screw

NSN: 5305-01-155-8646 | Model: BACX12CB3-28

An externally threaded fastener whose threaded portion is of one diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

NSN Properties and Flags

NATO Stock Number

5305-01-155-8646

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.670 inches and 1.749 inches

Fastener Length

Between 1.734 inches and 1.781 inches

Head Style

Hexagon

Head Height

Between 0.105 inches and 0.120 inches

Width Between Flats

Between 0.305 inches and 0.314 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Screw Material

Steel comp e4340 or steel comp 8740

Screw Material Specification

Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response

Screw Surface Treatment Specification

Qq-p-416 type 2 class 2 federal specification single treatment response

Thread Series Designator

Unjf

Specification Data

80205-nas1801 professional/industrial association standard

Inventory Check

The last inventory check on this NSN was done on 03/08/2024. Due to rapid changes in inventory this may not be the current stock qty.

New Surplus: 784
New: 37207
Serviceable: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5305-01-155-8646 Datasheet

Supply Class (FSC):

Screws

Cross Reference:

BACX12CB3-28
NAS1801-3-28

Cage Codes:

The Boeing Company (CAGE 81205)
National Aerospace Standards (CAGE 80205)

Replacements:

5305-01-155-8646 replaces 5305-01-045-2453

Schedule B & Trade:

Schedule B: 7318152000 (NAICS 332722)

Bolts and bolts and their nuts or washers exported in the same shipment
SITC: 69421

Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel
End Use: 12110

Iron and steel products, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

093486 - Bolts, nuts or screws, noi (sub 3)
WCC:

713 - Metal hardware
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
100
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
T2200x-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1.30 to $2.16..
Does NSN 5305-01-155-8646 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, Department Of The Navy, Poland, Spain, Singapore, Australia, Canada, New Zealand, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, and Greece
What is the NIIN of NSN 5305-01-155-8646?
011558646 or 01-155-8646
Does NSN 5305-01-155-8646 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-01-155-8646?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 16, 1983