National Stock Number (NSN) 5330-01-501-9995 (5330015019995) Parts List

Item Name	Back Up Ring Preformed Packing
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5330 Packing and Gasket Materials
National Item Identification Number (NIIN)	01-501-9995 (015019995)
NCB Code	USA (01)
Manufacturer	Society Of Automotive Engineers Inc, Derbyshire Marine Products Llc, Sae International

Part Number	Manufacturer	Item Name	Cage Code	RFQ
M8791 1-223	society of automotive engineers inc	back up ring preformed packing	81343	RFQ
M1420-3-EL	derbyshire marine products llc	back up ring preformed packing	0asy6	RFQ
AS8791	sae international	back up ring preformed packing	0u583	RFQ
AS8791	society of automotive engineers inc	back up ring preformed packing	81343	RFQ
MPL2532 PC 7	derbyshire marine products llc	back up ring preformed packing	0asy6	RFQ
SAE-AS8791/1	sae international	back up ring preformed packing	0u583	RFQ
M8791 1 223	sae international	back up ring preformed packing	0u583	RFQ

MRC	Criteria	Characteristic
AAGR	CROSS-SECTIONAL SHAPE STYLE	SINGLE TURN SPIRAL
ADYT	CENTER HOLE DIAMETER	1.625 INCHES NOMINAL
AGAV	END ITEM IDENTIFICATION	LIFT CHECK VALVE
MATT	III MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE
ADVN	CROSS-SECTIONAL HEIGHT	0.060 INCHES NOMINAL
ADYU	PERIPHERAL DIAMETER	1.861 INCHES NOMINAL
FEAT	SPECIAL FEATURES	SCAEF CUT 000 CUT AT ANGLE 22-19 DEGREES;WIDTH 0.118IN
MATT	MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-8791,-8791/1-223 MIL SPEC SINGLE MATERIAL RESPONSE