NSN 5306-00-007-2555, 5306000072555
BOLT,SELF RETAINING

Federal Supply Classification: FSC 5306 - Bolts
National Item Identification Number: NIIN 000072555
Codification Country: United States
Item Name Code: INC 77777
Criticality: (F) This item is a Flight Safety Critical Aircraft Part (FSCAP).
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.

Availability: Readily Available Qualified Suppliers: We have 4 qualified suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 5306-00-007-2555

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 5306-00-007-2555

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 5306-00-007-2555

National Stock Number (NSN) 5306-00-007-2555, or NIIN 000072555, (bolt,self retaining) was assigned July 6, 1972 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

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

This part number has not been procured by the US Government in over a year. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A624PY249, SPE5EC19CF104, SPE5EC19CF104, SPE5EC19CF104, SPE5EC19CF037. The total value of the awarded contracts has been US$ 332,587.28.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 17, 2016, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5306000072555 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 Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) THD DATA 3/8-24,UNJF,3A,RH,0.373 IN. MIN,0.397 IN. MAX LG,FASTENER LG 3.107 IN. MIN TO 3.127 IN. MAX,MATERIAL AND LOCATION BOLT STEEL MIL-S-5000 OR STEEL MIL-S-5626 OR STEEL MIL-S-6049 OR STEEL MIL-S-6758 OR STEEL MIL-S-8503,RETAINING ELEMENT CRES AMS 5643 17-4PH OR CRES AMS 5644 17-7PH OR CRES AMS 5673 17-7PH OR CRES QQ-S-763,CLASS 440C,SURFACE TREATMENT AND LOCATION BOLT CADMIUM,QQ-P-416,TYPE 2,CLASS 2,RETAINING ELEMENT PASSIVATE,QQ-P-35,METALLIC HARDNESS RATING ROCKWELL C 36 TO C41,HEAD STYLE HEX HEAD DIM 0.300 IN. MIN,0.320 IN. MAX H 0.553 IN. MIN,0.564 IN. MAX W BETWEEN FLATS,RETAINING FEATURE IMPEDENCE ELEMENT IN SHANK HEAD HOLE CONFIGURATION ONE HOLE DRILLED PERPENDICULAR TO FACE OF FLAT,HOLE DIM 0.136 IN. MIN,0.146 IN. MAX DIA,FINISHED HEAD,GRIP LG 2.594 IN. MIN,2.610 IN. MAX,GRIP DIA 0.3733 IN. MIN,0.3742 IN. MAX,MICROINCH FINISH AND LOCATION BEARING SURFACE OF HEAD AND GRIP 63,THD AND TOP OF HEAD 125