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45540 — TRANSFORMER,POWER

✓ Government record, cited
Lindy · NUT WASHER
PRODUCT OVERVIEW

45540: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a Lindy industrial component. Key specifications include material: STEEL, body_width: 2.380 INCHES MAXIMUM IN, body_length: 23.500 INCHES NOMINAL IN, design_type: ONE-PIECE, tongue_length: 15.750 INCHES IN, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-391-8581, 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
45540
NSN: 5310-00-391-8581
NIINs: 003918581, 004195312, 010570160, 013333858
FSC: 5310 — Nuts and Washers
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL
body_width2.380 INCHES MAXIMUM IN
body_length23.500 INCHES NOMINAL IN
design_typeONE-PIECE
tongue_length15.750 INCHES IN
inclosure_typeFULLY INCLOSED
overall_height4.060 INCHES MAXIMUM IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_features1PRIMARY WINDING AND FIVE SECONDARY WINDINGS
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp26.5 CELSIUS DEGC
NSN5310-00-391-8581
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 45540 · Lindy ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
D15-673FPC263Reference 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 45540?
45540 is a TRANSFORMER,POWER manufactured by Lindy.
What parts can replace 45540?
There is 1 known substitute for 45540: D15-673FPC263. Substitute compatibility should be verified for your specific system.
What is the NSN for 45540?
45540 is cataloged in the U.S. Government catalog under NSN 5310-00-391-8581. 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.