NMP-1122 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

NMP-1122: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A FIRST THREADED PORTION A, thread_length: 0.531 INCHES NOMINAL FIRST THREADED PORTION IN, overall_height: 5.500 INCHES NOMINAL IN, style_designator: DOUBLE FLANGED, seat_angle_in_deg: 45.000 NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-018-3978, 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

NMP-1122

NSN: 4820-01-018-3978
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
thread_class	2A FIRST THREADED PORTION A
thread_length	0.531 INCHES NOMINAL FIRST THREADED PORTION IN
overall_height	5.500 INCHES NOMINAL IN
style_designator	DOUBLE FLANGED
seat_angle_in_deg	45.000 NOMINAL
nominal_thread_size	2.250 INCHES FIRST THREADED PORTION IN
body_inside_diameter	3.000 INCHES NOMINAL IN
seating_surface_shape	ANGULAR
seal_accommodation_type	GROOVED
thread_quantity_per_inch	16 FIRST THREADED PORTION
thread_series_designator	UNS SECOND THREADED PORTION
NSN	4820-01-018-3978

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.531 INCHES NOMINAL FIRST THREADED PORTION IN

•

SEAL ACCOMMODATION TYPE: GROOVED

•

STYLE DESIGNATOR: DOUBLE FLANGED

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

BODY INSIDE DIAMETER: 3.000 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 2.250 INCHES FIRST THREADED PORTION IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	5.500 INCHES NOMINAL IN
THREAD LENGTH	0.531 INCHES NOMINAL FIRST THREADED PORTION IN
THREAD LENGTH	1.000 INCHES NOMINAL SECOND THREADED PORTION IN
SEAL ACCOMMODATION TYPE	GROOVED
STYLE DESIGNATOR	DOUBLE FLANGED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER	3.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE	2.250 INCHES FIRST THREADED PORTION IN
NOMINAL THREAD SIZE	3.375 INCHES SECOND THREADED PORTION IN
THREAD CLASS	2A SECOND THREADED PORTION A

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 2

NMP1122PC27Reference document

Same NSN cross-reference

Reference document — Secondary reference

009-500-0378Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 NMP-1122?

NMP-1122 is a SEAT,VALVE.

What parts can replace NMP-1122?

There are 2 known substitutes for NMP-1122: NMP1122PC27, 009-500-0378. Substitute compatibility should be verified for your specific system.

What is the NSN for NMP-1122?

NMP-1122 is cataloged in the U.S. Government catalog under NSN 4820-01-018-3978. This indicates validated use in U.S. government and defense supply chains.

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