NSN

4820-01-497-6998

Valve,Stop-Check

FSC 4820VALVES, NONPOWEREDFSG 48VALVES

Unit Price

$302.26

per EA

5 parts / 2 mfrs

Part Numbers for NSN 4820-01-497-69985 records
Part NumberCAGEManufacturerRNCCRNVC
438453653711Naval Sea Systems CommandD9
4384536-54A253711Naval Sea Systems Command59
4384536-54A2AF53711Naval Sea Systems Command59
803-4384536-54A2AF53711Naval Sea Systems Command59
4384536-54AXAF80064Naval Ship Systems Command32
Manufacturers (2)

Naval Sea Systems Command

CAGE 53711
View NSNs

Naval Ship Systems Command

CAGE 80064
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$302.26EA0
01-OCT-2025$302.26EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

A

ESD/EMI

Item Characteristics
MRCRequirementReply
AAARNOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES ALL ENDS
ADQUFLOW CONTROL DEVICEDISK
ADSRBONNET TYPEINSIDE SCREW
ADSTBONNET ATTACHMENT METHODUNION
AEHZMAXIMUM OPERATING TEMP150.0 FAHRENHEIT FIRST RESPONSE
AEHZMAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE
AEHZMAXIMUM OPERATING TEMP150.0 FAHRENHEIT THIRD RESPONSE
AHNCCONNECTION STYLESOCKET WITH BRAZING RING (PIPE) ALL ENDS
AQLRVALVE OPERATION METHODAUTOMATIC OR MANUAL
AWLSCONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
BBJXMOUNTING POSITIONHORIZONTAL OR VERTICAL
CBBLFEATURES PROVIDEDBONNET PACKING AND VALVE STEM LOCK SHIELD
CQQFOPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
FEATSPECIAL FEATURESTHIS VALVE IS ASBESTOS FREE, SUPPLIED WITHOUT UNION NUTS, TAILPIECES IAW 803-7063850 UNLESS SPECIFIED. MEETS TYPE I VIBRATION REQUIREMENTS OF MIL-STD-167 BY NAVSEA LTR. SER. 08M/90-08796 DATED 10/3/90; MEETS SHOCK REQUIREMENTS OF MIL-S-901D, INTERIM CHANGE 1 FOR LIGHTWEIGHT EQUIPMENT, GRADE 1, CLASS I,TYPE A, HULL/FRAME MOUNTED BY NAVSEA LET. SER. 08M/97-08748 DATED 8/28/97
MATTMATERIALNICKEL ALLOY SEAT
MATTMATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
MATTMATERIALNICKEL ALLOY STEM
MATTMATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATTMATERIALCOPPER ALLOY 922 BODY
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONASTMB164 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B494, GRADE -30C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONASTMB164 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B494, GRADE -30C ASSN STD SINGLE MATERIAL RESPONSE SEAT
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-24503, TYPE II, CLASS 2, GRADE N MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MEDAMEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDWATER, FRESH THIRD RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
STYLSTYLE DESIGNATORANGLE

Need full procurement data, packaging, and standardization info?

View Complete NSN Data on NSN Lookup

Quick Reference

NSN4820-01-497-6998
NIIN014976998
FSC4820
PRICE$302.26
DEMILA
PARTS5
MFRS2

About NSN 4820-01-497-6998

NSN 4820-01-497-6998 is a National Stock Number assigned to Valve,Stop-Check. This NSN part number belongs to Federal Supply Class 4820 (VALVES, NONPOWERED) under Federal Supply Group 48 (VALVES). There are 5 part numbers associated with this NSN from 2 manufacturers.

The current government unit price for NSN 4820-01-497-6998 is $302.26. Price history shows 2 recorded price changes.

To find the part number for NSN 4820-01-497-6998, refer to the part number cross-reference table above. Each part number is linked to its manufacturer through a CAGE (Commercial and Government Entity) code.