Product Details | CLOSE TOLERANCE BOLT

5306-00-137-6580 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.

Part Alternates: AIC2264A04U016, BM32104A016, BM3210-4A016, STSBG001A04U016, VAL236024D016, VAL23602-4D016, VS2979A04U016, PBF1042A4U016, 11701A04U016 , 684854A16, 68485-4A16, 5306-00-137-6580, 00-137-6580, 5306001376580, 001376580

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 09 AUG 1971 00-137-6580

Drawings & Photos | NSN 5306-00-137-6580


Cross Reference | NSN 5306-00-137-6580

Part Number Cage Code Manufacturer
11701A04U016 59563 REID PRODUCTS INC. DBA REID PRODUCTS
68485-4A16 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
68485-4A16 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
AIC2264A04U016 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
BM3210-4A016 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
BM3210-4A016 97928 HUCK INTL INC
PBF1042A4U016 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
STSBG001A04U016 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
VAL23602-4D016 06710 VALLEY-TODECO, INC.
VS2979A04U016 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
VS2979A04U016 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5306-00-137-6580

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.277 INCHES MINIMUM AND 0.324 INCHES MAXIMUM
FASTENER LENGTH 1.277 INCHES MINIMUM AND 1.324 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION H-11,STSBS001 FSCM 88703 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 156000 POUNDS PER SQUARE INCH
HEAD STYLE C8 DOUBLE HEXAGON
HEAD HEIGHT 0.164 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
GRIP LENGTH 1.000 INCHES NOMINAL
GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP

Restrictions/Controls & Freight Information | NSN 5306-00-137-6580

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5306-00-137-6580

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each