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NSN 5305-01-541-5249, 5305015415249
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 015415249
Codification Country
United States
Item Name Code
INC 29294
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5305-01-541-5249

National Stock Number (NSN) 5305-01-541-5249, or NIIN 015415249, (screw,close tolerance) was assigned June 29, 2006 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 20 suppliers. Today, 19 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 19 suppliers are deemed design controlled or valid supply parts.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 10 contracts issued for this part number, with 10 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE4A624FAHTZ, SPE4A624FAHTZ, SPE4A621V527U, SPE5E220V5507, SPE5E220V4929. The total value of the awarded contracts has been US$ 74,316.36.

This NSN is somewhat common among different platforms, belonging to 3 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. The 24 month forecast from the US Government for this part number has low volatility, with an estimated forecasted value of US$ 9,588. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 27, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 29294. [A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (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 DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.]. 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 5305015415249 does not contain precious metals.

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 .


Technical Characteristics

END ITEM IDENTIFICATION
(AGAV) FIGHTER AIRCRAFT (F18E/F)
COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
FASTENER LENGTH
(AASB) 1.160 INCHES MINIMUM AND 1.190 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.110 INCHES NOMINAL
HEAD STYLE
(AASK) FILLISTER COUNTERSUNK
INTERNAL DRIVE STYLE
(ABQZ) TORX
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) (INAVY) SCREW,CLOSE TOLERANCE
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
SPLINE MAJOR DIAMETER
(AAUJ) 0.221 INCHES NOMINAL
SURFACE TREATMENT
(SFTT) ALUMINUM OVERALL
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.425 INCHES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 28
HEAD HEIGHT
(AASU) 0.015 INCHES NOMINAL
THREAD LENGTH
(AASA) 0.045 INCHES NOMINAL
FASTENER LENGTH
(AASB) 0.780 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.250 INCHES NOMINAL

Manufacturer Part Numbers


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