PartsTable
Technical Data Sheet
PartsTable / STORAGE_SSD / T-304
T-304 ✓ Verified by PartsTable
— · STORAGE_SSD · 2.5_SATA_SSD
WHAT YOU NEED TO KNOW
SSDs — check if kit includes carrier tray. Tested and crypto erased when necessary. Standard warranty is 90 days. Key checks: Make sure tested. Crypto erase when necessary.
Limit drives to 90 days warranty unless otherwise requested
PRODUCT OVERVIEW

IBM 1.86TB Mainstream SAS 4k SFF-3 SSD (IBM i). Key specifications include width: 2.000 INCHES NOMINAL IN, height: 2.000 INCHES NOMINAL IN, material: STEEL OVERALL, body_width: 1.375 INCHES NOMINAL IN, bore_shape: STRAIGHT, head_style: HEXAGON. The unit ships in a SFF form factor suitable for standard rack-mount installations.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-271-2068, 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_SSD→ 2.5_SATA_SSD→ SFF BAY→ T-304
NSN: 5305-00-271-2068
FSC: 5305
CAGE: 57472 — ALL MANUFACTURERS, INC. DBA ALLIED HARBOR AEROSPACE FASTENERS (USA)
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
height2.000 INCHES NOMINAL IN
materialSTEEL OVERALL
body_width1.375 INCHES NOMINAL IN
bore_shapeSTRAIGHT
head_styleHEXAGON
body_height1.375 INCHES NOMINAL IN
body_length0.128 INCHES NOMINAL IN
head_height0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
constructionSEAMLESS
thread_class2A A
bore_diameter20.0 MILLIMETERS NOMINAL MM
NSN5305-00-271-2068
COMPONENT DIAGRAM
LATCH 1.86TB SAS — T-304 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 1.86TB SAS — T-304 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 1.86TB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN T-304 CAP 1.86TB SAS
KEY FEATURES
•
SFF Form Factor
•
1.86TB Capacity
•
WIDTH BETWEEN FLATS: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE
•
SCREW SURFACE TREATMENT: PASSIVATE
•
HEAD STYLE: HEXAGON
•
THREAD CLASS: 2A A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: SLOT
•
HEAD HEIGHT: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
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 (FLIS)
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
HEAD STYLEHEXAGON
THREAD CLASS2A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLESLOT
HEAD HEIGHT0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH16
SCREW MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
3-4APC7Interchangeable
interchangeable cross-reference
interchangeable
3-4WPC7Interchangeable
interchangeable cross-reference
interchangeable
118-32ALT2PC4Interchangeable
interchangeable cross-reference
interchangeable
FFS85TYPE1STYLE10SInterchangeable
interchangeable cross-reference
interchangeable
280451PC28Interchangeable
interchangeable cross-reference
interchangeable
FF-S-92 TY I STY 10SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy T-304?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is T-304?
T-304 is a IBM 1.86TB Mainstream SAS 4k SFF-3 SSD (IBM i). It is classified as a STORAGE_SSD (2.5_SATA_SSD).
What parts can replace T-304?
There are 22 known substitutes for T-304: 3-4APC7, 3-4WPC7, 118-32ALT2PC4 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T-304?
T-304 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-271-2068. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — T-304

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026