Machine Screw

FF-S-92

FF-S-92
(NSN) National Stock Number
5305-00-004-5099
Federal Supply Classification
5305 Screws
Item Name Code
06657
Schedule B Code
-
Summary

2a thread class, right-hand thread direction, 0.897 inches minimum and 0.971 inches maximum thread length, 0.969 inches minimum and 1.000 inches maximum fastener length, 0.156 inches minimum and 0.172 inches maximum head diameter, strip locking feature

DAC HCC DMIL RNCC
E - - 4
RNVC SADC MSDS RNAAC
1 - - ZZ
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

INC FIIG Concept Condition
06657 A500D0 - 1
Specifications
Thread Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Thread Length
0.897 inches minimum and 0.971 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.969 inches minimum and 1.000 inches maximum
Details The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
Head Diameter
0.156 inches minimum and 0.172 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Locking Feature
strip
Details An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
Internal Drive Style
cross recess type 1
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
Nominal Thread Diameter
0.086 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Thread Quantity Per Inch
56
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Details The included angle of the countersink.
Special Features
material: steel comp 321 or steel comp 347 or steel comp 302 or steel comp 303 overall; surface treatment: passivate overall; material document and classification: qq-s-763 fed spec 1st material response or qq-s-763 fed spec 2nd material mil-s-7720 mil spec 3rd material response or astm a582 assn std 4th material response overall; head style: flat countersunk; surface treatment document and classification: qq-p-35 fed spec single treatment response overall
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Thread Series Designator
unc
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Specification/Standard Data
80205-nas662 professional/industrial association standard
Details The document designator of the specification or standard which established the item of supply.
Nondefinitive Spec/Std Data
1 type and 3s style
Details The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
947575-5616 06481 4 - 5 9 - CL
NAS662C2LLR16 80205 4 - 3 2 - SE
MIL-DTL-18240F 81349 E - 5 9 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
50600 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
CAGE: 81348
NATL INSTITUTE STDS & TECH , MD , 20899
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-004-5099
What is the NIIN of the NSN 5305-00-004-5099?
The National Item Identification Number (NIIN) of the NSN 5305-00-004-5099 is 00-004-5099
When the NSN 5305-00-004-5099 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, Jun 7, 1972
Does the NSN 5305-00-004-5099 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-004-5099 contain any hazardous material?
No data in HMIRS

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