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NSN 5305-01-216-9059, 5305012169059
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012169059
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.
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DLMS® Summary

National Stock Number 5305-01-216-9059

National Stock Number (NSN) 5305-01-216-9059, or NIIN 012169059, (screw,close tolerance) was assigned September 18, 1985 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 18, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. 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 5305012169059 does not contain precious metals.

This NSN is associated to Schedule B 8109900000: zirconium and articles thereof nesoi. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 331491: nonferrous metal (except copper and aluminum) rolling, drawing, and extruding.

This information was last updated on .


Technical Characteristics

MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD DIAMETER
(AASL) 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
FASTENER LENGTH
(AASB) 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM
MATERIAL
(MATT) TITANIUM ALLOY UNS R56400 OVERALL
THREAD QUANTITY PER INCH
(CMLP) 28
COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
HEAD STYLE
(AASK) FLAT COUNTERSUNK
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
SPECIAL FEATURES
(FEAT) THD HOLE IN TOP OF HEAD 0.138-32 UNJC-3B THD,HOLE 0.300 IN. MIN. 0.345 IN. MAX DP,COUNTERBORE 0.145 IN. MIN. 0.150 IN. MAX DIA; INJECTION PORT 0.120 IN. LG,0.060 IN. WIDE IN UNTHD SHANK; DISTANCE FROM TOP OF HEAD TO BEGINNING OF INJECTION PORT 0.220 IN.
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
THREAD LENGTH
(AASA) 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM

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