89HM10974-1 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

89HM10974-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, flange_diameter: 0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, under_flange_height: 0.218 INCHES NOMINAL IN, body_inside_diameter: 0.509 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN, fsc_application_data: CYLINDER ASSEMBLY,HYDRAULIC SYSTEM,AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-700-7238, 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

89HM10974-1

NSN: 4820-00-700-7238
FSC: 4820 — Valves, Nonpowered
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 440C OVERALL
flange_diameter	0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
style_designator	PLAIN FLANGED
under_flange_height	0.218 INCHES NOMINAL IN
body_inside_diameter	0.509 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN
fsc_application_data	CYLINDER ASSEMBLY,HYDRAULIC SYSTEM,AIRCRAFT
body_outside_diameter	0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
seating_surface_shape	FLAT
seal_accommodation_type	GROOVED
flange_seat_to_disk_end_height	0.078 INCHES NOMINAL IN
NSN	4820-00-700-7238

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE SEAT TO DISK END HEIGHT: 0.078 INCHES NOMINAL IN

•

FLANGE DIAMETER: 0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: CYLINDER ASSEMBLY,HYDRAULIC SYSTEM,AIRCRAFT

•

BODY OUTSIDE DIAMETER: 0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN

•

SEAL ACCOMMODATION TYPE: GROOVED

•

STYLE DESIGNATOR: PLAIN FLANGED

•

BODY INSIDE DIAMETER: 0.509 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN

•

UNDER FLANGE HEIGHT: 0.218 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FLANGE SEAT TO DISK END HEIGHT	0.078 INCHES NOMINAL IN
FLANGE DIAMETER	0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
FSC APPLICATION DATA	CYLINDER ASSEMBLY,HYDRAULIC SYSTEM,AIRCRAFT
BODY OUTSIDE DIAMETER	0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
SEAL ACCOMMODATION TYPE	GROOVED
STYLE DESIGNATOR	PLAIN FLANGED
BODY INSIDE DIAMETER	0.509 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT	0.218 INCHES NOMINAL IN
MATERIAL	STEEL COMP 440C OVERALL
SEATING SURFACE SHAPE	FLAT

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

No substitute or cross-reference records for this part.

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 89HM10974-1?

89HM10974-1 is a SEAT,VALVE.

What is the NSN for 89HM10974-1?

89HM10974-1 is cataloged in the U.S. Government catalog under NSN 4820-00-700-7238. This indicates validated use in U.S. government and defense supply chains.

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89HM10974-1 — SEAT,VALVE

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