Recently Updated NSN 5305-00-656-0051 Or (5305006560051) Part List

Item Name	Screw Cap Socket Head
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-656-0051 (006560051)
NCB Code	USA (00)
Manufacturer	Nylok Corporation, Military Specifications, National Aerospace Standards Com

Part Number	Manufacturer	Item Name	RFQ
NK507C1032R7	nylok corporation	screw cap socket head	RFQ
MILS7839	military specifications	screw cap socket head	RFQ
MILS7839	national aerospace standards com	screw cap socket head	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.355 INCHES MINIMUM
AASB	FASTENER LENGTH	0.438 INCHES NOMINAL
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
AHYM	NOMINAL THREAD DIAMETER	0.190 INCHES
CMLP	THREAD QUANTITY PER INCH	32
CQBC	MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
CRSQ	COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
MATT	MATERIAL	STEEL COMP 4037 OVERALL OR STEEL COMP 8630 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	AMS-6300 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNF
ZZZX	DEPARTURE FROM CITED DESIGNATOR	AS MOD BY LOCKING FEATURE