VALVE,SAFETY RELIEF

4820FSC

01NCB code

439-6366Item number

NIIN 01-439-6366

Identification

Effective date	Major organizational entity	Acquisition advice code	Source of supply	Unit of issue	Unit of measure quantity	Unit price	Quantity per unit pack	Controlled inventory item code	Shelf-life code	Management control	Net price	USC
01-OCT-2026	DN	J	SMS	EA	0.0000	$1,261.90	1	U	0	9B-----	$0.00	N
01-OCT-2026	DS	J	SMS	EA	0.0000	$1,261.90	1	U	0	-------	$0.00	I

FLOW CONTROL DEVICE	DISK
BONNET TYPE	INSIDE SCREW
BONNET ATTACHMENT METHOD	BOLTED
DISK LOADING METHOD	SPRING
BOLT HOLE QUANTITY	8
END ITEM IDENTIFICATION	USNS STALWART CLASS TAGOS
VALVE OPERATION METHOD	AUTOMATIC
FLANGE SHAPE	FIRST END ROUND WITH HOLES
FLANGE SHAPE	SECOND END ROUND WITH HOLES
CONNECTION TYPE	FIRST END FLANGE
CONNECTION TYPE	SECOND END FLANGE
MOUNTING FACILITY	BRACKET(S)
VALVE SIZE	INCHES 4.000
OPERATING PRESSURE	SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0
OPENING PRESSURE SETTING	POUNDS PER SQUARE INCH 30.0
NOMINAL OUTSIDE DIAMETER	SECOND END INCHES 9.000
NOMINAL OUTSIDE DIAMETER	FIRST END INCHES 10.000
NOMINAL THICKNESS	SECOND END INCHES 0.937
NOMINAL THICKNESS	FIRST END INCHES 1.250
BOLT HOLE NOMINAL DIAMETER	FIRST END INCHES 0.875
BOLT HOLE NOMINAL DIAMETER	SECOND END INCHES 0.750
BOLT CIRCLE NOMINAL DIAMETER	SECOND END INCHES 7.500
BOLT CIRCLE NOMINAL DIAMETER	FIRST END INCHES 7.875
FLANGE FACE DESIGN	FIRST END RAISED STRAIGHT
FLANGE FACE DESIGN	SECOND END PLAIN
RAISED FACE NOMINAL HEIGHT	FIRST END INCHES 0.062
RAISED FACE NOMINAL DIAMETER	FIRST END INCHES 6.937
SPECIAL FEATURES	MODEL 091K-M
MATERIAL	BODY IRON
MATERIAL	STEM STEEL OR COPPER ALLOY
MATERIAL	FLOW CONTROL DEVICE COPPER ALLOY
MEDIA FOR WHICH DESIGNED	SINGLE RESPONSE OIL, LUBRICATING, DIESTER BASE
STYLE DESIGNATOR

PICA SICA: P
PKG cat: 15ZZ
Unpackaged weight: 0.0000
Unpackaged width: 0.000
Unpackaged length: 0.000
Unpackaged height: 0.000
TOS: B
Intermediate container qty: 000
No intermediate container quantity specified (000)
Method of preservation: BL
Plug or seal all openings and preserve using Method 20.
Clng drying: 1
Any suitable process that is not injurious to the item.
Pres mat: 89
Preserve with normal operating lubricant
Wrap mat: ZZ
Special requirements – see specific instructions or drawings provided
Cush dun: ZZ
Special requirements.
THK: C
3/4 inch thick
Unit cont: FO
Any suitable wood box included in this table may be used (see J.4.9.1).
PKG data source: P

PICA SICA: P
SPC MKG: 00
No special marking
Inter cont: 00
No requirement.
Lvl A: Q
Packing shall be accomplished in accordance with table C.II for the packing level specified.
Lvl b: Q
Packing shall be accomplished in accordance with table C-II for the packing level specified.
Unit pack weight: 170.0000
UP SZ MAXB: 8.00000
UP SZ MAXL: 30.00000
UP SZ MAXH: 8.00000
Unit pack cube: 1.1110
OPI: O
Options can be exercised as to specific method of preservation or DoD approved packaging materials to be used.

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