ASAP NSN Distribution, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts and components pertaining to the civil aviation, defense, aerospace, industrial, and IT hardware markets. As such, we have an inventory in excess of two billion new and obsolete parts, among which is an impressive selection of NSN parts and much more. This includes items such as Screw Close Toleran ST3M557-4-20 from manufacturer Linread Ltd and many more, all of which are available with short lead times and competitive prices. For NSN parts, you won’t find a more inclusive source than ASAP NSN Distribution.
An NSN is a 13-digit numeric code that serves to identify 'standardized material items of supply' as they have been recognized by all NATO countries and the United States Department of Defense. ASAP NSN Distribution is an AS9120B, ISO 9001:2015, and FAA AC 0056B accredited business, as well as the only independent distributor with a strict no China sourcing pledge, ensuring the quality of every NSN part we sell. Furthermore, the parametric search capabilities of our site allow users to search for parts from specific NSNs like 5305015910029, specific manufacturers like Linread Ltd, and a broad range of other filters. To begin the purchasing process immediately, submit an RFQ today.
NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
---|---|---|---|---|---|---|
5305-01-591-0029 Item Description: Screw Close Toleran | 5305 | 015910029 | 0 | N | A | |
CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
U | A | A | 0 | |||
Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
St3m557-4-20 | 5 | 2 | 5 |
MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
AASB | FASTENER LENGTH | 1.282 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
AASK | HEAD STYLE | FILLISTER COUNTERSUNK |
AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
AASU | HEAD HEIGHT | 0.015 INCHES MAXIMUM |
AAUR | GRIP DIAMETER | 0.249 NOMINAL MILS AND 0.250 NOMINAL CENTIMETERS |
AAUY | POINT LENGTH | 0.045 INCHES NOMINAL |
ABQJ | POINT STYLE | FLAT |
ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
ANEE | GRIP LENGTH | 1.250 NOMINAL INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
CWDK | POINT CHAMFER ANGLE | 45.0 MAXIMUM OF STANDARD RANGE SINGLE TREATMENT RESPONSE |
CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEG COUNTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (125 KSI FUS) |
FEAT | SPECIAL FEATURES | HEAD HAS A 1.40 DEGREE RADIUS DOME. |
MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNJF |
We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.
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