8113F8 ITEM 18 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

8113F8 ITEM 18: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.156 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 0.375 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 60.000 NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-129-5636, 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

8113F8 ITEM 18

NSN: 4820-01-129-5636
FSC: 4820 — Valves, Nonpowered
CAGE: 28968 — CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. DBA HOKE GYROLOK (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
thread_class	2A SINGLE THREADED PORTION A
thread_length	0.156 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter	0.375 INCHES NOMINAL IN
style_designator	THREADED FLANGED
seat_angle_in_deg	60.000 NOMINAL
nominal_thread_size	0.312 INCHES SINGLE THREADED PORTION IN
under_flange_height	0.183 INCHES NOMINAL IN
body_inside_diameter	0.173 INCHES NOMINAL IN
seating_surface_shape	ANGULAR
thread_series_designator	UNEF SINGLE THREADED PORTION
flange_seat_to_disk_end_height	0.125 INCHES NOMINAL IN
NSN	4820-01-129-5636

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.125 INCHES NOMINAL IN

•

FLANGE DIAMETER: 0.375 INCHES NOMINAL IN

•

THREAD LENGTH: 0.156 INCHES NOMINAL SINGLE THREADED PORTION IN

•

STYLE DESIGNATOR: THREADED FLANGED

•

BODY INSIDE DIAMETER: 0.173 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 0.312 INCHES SINGLE THREADED PORTION IN

•

UNDER FLANGE HEIGHT: 0.183 INCHES NOMINAL IN

•

THREAD CLASS: 2A SINGLE THREADED PORTION A

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.125 INCHES NOMINAL IN
FLANGE DIAMETER	0.375 INCHES NOMINAL IN
THREAD LENGTH	0.156 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATOR	THREADED FLANGED
BODY INSIDE DIAMETER	0.173 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.312 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT	0.183 INCHES NOMINAL IN
THREAD CLASS	2A SINGLE THREADED PORTION A
MATERIAL	STEEL COMP 316 OVERALL
SEAT ANGLE IN DEG	60.000 NOMINAL

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

8113F8Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 8113F8 ITEM 18?

8113F8 ITEM 18 is a SEAT,VALVE.

What parts can replace 8113F8 ITEM 18?

There is 1 known substitute for 8113F8 ITEM 18: 8113F8. Substitute compatibility should be verified for your specific system.

What is the NSN for 8113F8 ITEM 18?

8113F8 ITEM 18 is cataloged in the U.S. Government catalog under NSN 4820-01-129-5636. This indicates validated use in U.S. government and defense supply chains.

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