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51171 — TRANSFORMER,POWER AUTOTRANSFORME

✓ Government record, cited
Lindy · ORING SEAL
PRODUCT OVERVIEW

51171: TRANSFORMER,POWER AUTOTRANSFORME.

Add 1 eSATA port and 1 SATA II port to your PC! -Bus Type: PCIe (2.5Gbit/sec). -Speed: SATA II (3Gbit/sec).

-Internal Connector: 1 x SATA Female. -External Connector: 1 x eSATA Female. -Port Multiplier and Native Command Queuing support.

-Supports RAID levels 0, 1, 0+1, 5 and JBOD. -Software Compatibility: Windows 2000/XP/Vista/Windows 7/Server 2003, 2008. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-087-3657, 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
51171
NSN: 5340-00-087-3657
NIINs: 000873657, 001196531, 007031598, 008108716, 008386174, 009728452, 016925093
FSC: 5340 — Hardware, Commercial
CAGE: 61864 — TRW ASSEMBLIES AND FASTENERS GROUP (USA)
SPECIFICATIONS
radius0.531 INCHES NOMINAL IN
materialSTEEL
shaft_typeRECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR
body_length4.250 INCHES NOMINAL IN
thread_size5/8 IN.-32 IN
shaft_length0.938 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2B SINGLE MOUNTING FACILITY
overall_width2.812 INCHES NOMINAL IN
pole_quantity1 EACH SECTION REAR
terminal_typeTAB W/SCREW
thread_length0.125 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
NSN5340-00-087-3657
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51171 MFR: Lindy ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
XS51171Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51171?
51171 is a TRANSFORMER,POWER AUTOTRANSFORME manufactured by Lindy.
What parts can replace 51171?
There is 1 known substitute for 51171: XS51171. Substitute compatibility should be verified for your specific system.
What is the NSN for 51171?
51171 is cataloged in the U.S. Government catalog under NSN 5340-00-087-3657. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.