MIL-U-18250 — IBM 428GB 15K RPM SAS Disk Drive 3.5 (IBM i)

✓ Government record, cited

— · STORAGE_HDD · 2.5_SAS_HDD

PRODUCT OVERVIEW

MIL-U-18250: IBM 428GB 15K RPM SAS Disk Drive 3.5 (IBM i).

IBM 428GB 15K RPM SAS Disk Drive 3.5 (IBM i). Key specifications include material: IRON OR IRON ALLOY BODY, seat_type: GROUND-JOINTGROUND-JOINT, connection_type: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS, style_designator: THREADED, surface_treatment: ZINC BODY. The unit ships in a LFF form factor suitable for standard rack-mount installations.

This part is cataloged in the U.S. Government catalog under NSN 4730-00-189-2598, 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

STORAGE_HDD→ 2.5_SAS_HDD→ LFF BAY→ MIL-U-18250

NSN: 4730-00-189-2598
NIINs: 001892598, 001892599, 001892600, 001892602, 001892605, 001892606, 001892629, 001892630, 001892635, 001892638, 001892639, 001892645, 001892646, 002942677, 004766444
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	IRON OR IRON ALLOY BODY
seat_type	GROUND-JOINTGROUND-JOINT
connection_type	THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
connection_style	PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
style_designator	THREADED
surface_treatment	ZINC BODY
operating_pressure	300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size	1.250 INCHES ALL ENDS1.250 INCHES ALL ENDS IN
maximum_operating_temp	500.0 FAHRENHEIT SINGLE RESPONSE500.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length	2.810 INCHES IN
media_for_which_designed	WATER-OIL-GAS SECOND RESPONSE
thread_series_designator	NPT ALL ENDS
NSN	4730-00-189-2598

COMPONENT DIAGRAM

KEY FEATURES

•

LFF Form Factor

•

428GB Capacity

•

15K RPM Speed

•

CONNECTION STYLE: PLAIN (PIPE) ALL ENDS

•

COUPLING FLANGE SHAPE: HEXAGON

•

NOMINAL OVERALL LENGTH: 2.094 INCHES IN

•

CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: SCREWED

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OVERALL

•

OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

TYPICAL APPLICATIONS

Enterprise storage arrays and SANs
Direct-attached storage (DAS) expansion
Database tier storage (OLTP, OLAP)
Virtual machine datastore expansion
Backup-to-disk and disaster recovery targets
Content delivery and media streaming storage

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN (PIPE) ALL ENDS
COUPLING FLANGE SHAPE	HEXAGON
NOMINAL OVERALL LENGTH	2.094 INCHES IN
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	SCREWED
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OVERALL
OPERATING PRESSURE	300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SEAT TYPE	GROUND-JOINT
NOMINAL THREAD SIZE	0.750 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP	218.0 CELSIUS SINGLE RESPONSE DEGC

SUBSTITUTES & CROSS-REFERENCES 2

519-3-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

B16.39Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is MIL-U-18250?

MIL-U-18250 is a IBM 428GB 15K RPM SAS Disk Drive 3.5 (IBM i). It is classified as a STORAGE_HDD (2.5_SAS_HDD).

What parts can replace MIL-U-18250?

There are 2 known substitutes for MIL-U-18250: 519-3-4, B16.39. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-U-18250?

MIL-U-18250 is cataloged in the U.S. Government catalog under NSN 4730-00-189-2598. This indicates validated use in U.S. government and defense supply chains.

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MIL-U-18250 — IBM 428GB 15K RPM SAS Disk Drive 3.5 (IBM i)

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