Recently Updated NSN 1240-00-115-4471 Or (1240001154471) Part List

Item Name	Ring Retaining Optical Element
Federal Supply Group (FSG)	Fire Control Equipment
Federal Supply Class (FSC)	1240 Optical Sighting And Ranging Equipment
National Item Identification Number (NIIN)	00-115-4471 (001154471)
NCB Code	USA (00)
Manufacturer	Seiler Instrument And Manufacturing, Sterling Mfg Co, Valcore Manufacturing Llc

Part Number	Manufacturer	Item Name	RFQ
8289272	seiler instrument and manufacturing	ring retaining optical element	RFQ
8289272	sterling mfg co	ring retaining opti	RFQ
8289272	valcore manufacturing llc	ring retaining opti	RFQ

MRC	Criteria	Characteristic
ABUJ	Thread Size	2.063-16
ABKV	Outside Diameter	2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM
ABET	Thread Length	0.494 INCHES
AAJF	Thread Direction	RIGHT-HAND
BMTL	Internal Flange Thickness	0.092 INCHES NOMINAL
AAJD	Thread Class	3A
AAJE	Thread Pitch Diameters	+2.0219 TO 2.0273 INCHES
BMTY	Groove Location	ADJACENT TO INTERNAL FLANGE
MDCL	Material Document And Classification	WW-T-700/3, ALLOY 2024, T3 FED SPEC 1ST MATERIAL RESPONSE AND WW-T-700/6, ALLOY 6061, T6 FED SPEC 2ND MATERIAL RESPONSE
SFTT	Surface Treatment	ENAMEL
ADWA	Inner Groove Width	0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
AJYP	Screw Thread Series Designator	UNS
MRC	Decoded Requirement	Clear Text Reply
ABVL	Aperture Diameter	1.718 INCHES MINIMUM AND 1.723 INCHES MAXIMUM
ALGC	Mounting Configuration	LOCKSCREW COLLAR 1
AAVZ	Groove Diameter	2.078 INCHES NOMINAL
APJC	Thread Location	INTERNAL
ABHP	Overall Length	1.082 INCHES NOMINAL
MATT	Material	ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 6061