NSN 5305-00-182-9243, (5305001829243) Parts Inventory

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-182-9243 (001829243)
NCB Code	USA (00)
Manufacturer	Army United States Department Of The

Part Number	Manufacturer	Item Name	Cage Code	RFQ
8448319	army united states department of the	screw shoulder	19204	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.205 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
AASB	FASTENER LENGTH	0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT CHAMFER
AASL	HEAD DIAMETER	0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
AASU	HEAD HEIGHT	0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
AATN	SHOULDER DIAMETER	0.214 INCHES MINIMUM FIRST SHOULDER AND 0.216 INCHES MAXIMUM FIRST SHOULDER
AATX	SHOULDER LENGTH	0.205 INCHES MINIMUM FIRST SHOULDER AND 0.210 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	SLOT
AHYM	NOMINAL THREAD DIAMETER	0.190 INCHES
CMLP	THREAD QUANTITY PER INCH	24
CQFM	HARDNESS RATING	38.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
CRTL	CRITICALITY CODE JUSTIFICATION	AATN AND AATX
CWYB	SHOULDER SHAPE	ROUND FIRST SHOULDER
FEAT	SPECIAL FEATURES	UNDERCUT 0.290 IN. MIN,0.305 IN. MAX FROM BEARING SURFACE OF HEAD
MATT	MATERIAL	STEEL COMP E4340 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC