Recently Updated NSN 5305-01-381-2091 Or (5305013812091) 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)	01-381-2091 (013812091)
NCB Code	USA (01)
Manufacturer	National Aerospace Standards Com, Federal Specifications

Part Number	Manufacturer	Item Name	RFQ
NAS1351-6LE20P	national aerospace standards com	screw cap socket head	RFQ
NAS1351	national aerospace standards com	screw cap socket head	RFQ
FF-S-86	federal specifications	screw cap socket head	RFQ

MRC	Criteria	Characteristic
AAJF	THREAD DIRECTION	RIGHT-HAND
AAUM	LOCKING FEATURE	PATCH LOCKING FEATURE OR PELLET LOCKING FEATURE OR STRIP LOCKING FEATURE
AASK	HEAD STYLE	FLAT CHAMFER
AASU	HEAD HEIGHT	0.366 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
CMLP	THREAD QUANTITY PER INCH	24
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNRF
AAJD	THREAD CLASS	3A
AASB	FASTENER LENGTH	1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
AASA	THREAD LENGTH	1.167 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
AASL	HEAD DIAMETER	0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.375 INCHES
ASDB	WIDTH ACROSS FLATS	0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM
MATT	MATERIAL	STEEL OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL