26PA11-170 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

26PA11-170: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL BODY, valve_size: 4.000 INCHES IN, bonnet_type: PACKING RETAINING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-299-8435, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

26PA11-170

NSN: 4820-01-299-8435
FSC: 4820 — Valves, Nonpowered
CAGE: 72352 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS (USA)

SPECIFICATIONS

material	STEEL BODY
valve_size	4.000 INCHES IN
bonnet_type	PACKING RETAINING
flange_shape	ROUND WITH HOLES ALL ENDS
connection_type	FLANGE ALL ENDS
style_designator	STRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
nominal_thickness	0.812 INCHES SECOND END IN
bolt_hole_quantity	8 ALL ENDS
flange_face_design	RAISED STRAIGHT ALL ENDS
operating_pressure	285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
NSN	4820-01-299-8435

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FLANGE SHAPE: ROUND WITH HOLES ALL ENDS

•

FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS

•

BOLT CIRCLE NOMINAL DIAMETER: 9.500 INCHES FIRST END IN

•

CONNECTION TYPE: FLANGE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.

•

BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGN	RAISED STRAIGHT ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER	9.500 INCHES FIRST END IN
BOLT CIRCLE NOMINAL DIAMETER	7.500 INCHES SECOND END IN
CONNECTION TYPE	FLANGE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
BOLT HOLE NOMINAL DIAMETER	0.750 INCHES SECOND END IN
BOLT HOLE NOMINAL DIAMETER	0.875 INCHES FIRST END IN
OPERATING PRESSURE	285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 1

16971-F REV BSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 26PA11-170?

26PA11-170 is a VALVE,SAFETY RELIEF.

What parts can replace 26PA11-170?

There is 1 known substitute for 26PA11-170: 16971-F REV B. Substitute compatibility should be verified for your specific system.

What is the NSN for 26PA11-170?

26PA11-170 is cataloged in the U.S. Government catalog under NSN 4820-01-299-8435. This indicates validated use in U.S. government and defense supply chains.

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26PA11-170 — VALVE,SAFETY RELIEF

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