NSN 5305-01-286-0177, 5305012860177
SCREW ASSEMBLY,PANEL

Federal Supply Classification: FSC 5305 - Screws
National Item Identification Number: NIIN 012860177
Codification Country: United States
Item Name Code: INC 33044
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5305-01-286-0177

National Stock Number (NSN) 5305-01-286-0177, or NIIN 012860177, (screw assembly,panel) was assigned September 24, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 33044. [A HEADED, THREADED FASTENING DEVICE OVER WHICH MAY BE ASSEMBLED; (1) A STAND-OFF; (2) A FLANGED BUSHING WITH WASHER(S) AND/OR A SHOULDERED BUSHING WITHOUT A FLANGE, OR IT MAY HAVE AN INTERNALLY THREADED SLEEVE THAT IS AN INTEGRAL PART OF THE SCREW; A WASHER AND AN EXTERNALLY THREAD SELF-LOCKING BUSHING THAT IS DRIVEN BY AN INSERTED DRIVER. ATTACHED TO PANEL BY THREADED BUSHING OR BY FLARING END OF STAND-OFF, OR BUSHING. USED IN CONJUNCTION WITH A SPEED NUT, NUT PLATE, OR DRIVEN INTO A THREADED HOLE IN THE ITEM THAT THE PANEL IS FASTENED TO. MAY BE SPRING LOADED.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5305012860177 contains an unknown precious metal.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on May 01, 2025.

Technical Characteristics

FASTENER LENGTH: (AASB) 0.787 INCHES MINIMUM AND 0.817 INCHES MAXIMUM
HEAD DIAMETER: (AASL) 0.451 INCHES NOMINAL
HEAD HEIGHT: (AASU) 0.520 INCHES NOMINAL
HEAD STYLE: (AASK) KNURLED NO. 1
INTERNAL DRIVE STYLE: (ABQZ) SLOT
MATERIAL ACCOMMODATED THICKNESS: (AGSM) 0.218 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTM A-493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-W-423,FORM I,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-W-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD
MATERIAL: (MATT) ALUMINUM ALLOY 6061 HEAD
MATERIAL: (MATT) STEEL COMP 302 SPRING
MATERIAL: (MATT) STEEL COMP 303 FASTENER
MATERIAL: (MATT) STEEL COMP 301 PRIMARY WASHER
MATERIAL: (MATT) STEEL COMP 301 SECONDARY WASHER
MATERIAL: (MATT) STEEL COMP 304 STAND-OFF
NOMINAL THREAD DIAMETER: (AHYM) 0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) MIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
SURFACE TREATMENT: (SFTT) ANODIZE HEAD
SURFACE TREATMENT: (SFTT) PASSIVATE FASTENER
SURFACE TREATMENT: (SFTT) PASSIVATE PRIMARY WASHER
SURFACE TREATMENT: (SFTT) PASSIVATE SECONDARY WASHER
SURFACE TREATMENT: (SFTT) PASSIVATE STAND-OFF
SURFACE TREATMENT: (SFTT) PASSIVATE SPRING
THREAD CLASS: (AAJD) 3A
THREAD DIRECTION: (AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH: (CMLP) 32
THREAD SERIES DESIGNATOR: (THSD) UNF