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55-7 — CAPACITOR,VARIABLE,CERAMIC DIELE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

55-7: CAPACITOR,VARIABLE,CERAMIC DIELE.

CAPACITOR,VARIABLE,CERAMIC DIELE. Key specifications include length: 12.040 FEET MINIMUM AND 12.368 FEET MAXIMUM FT, material: COPPER ALLOY OR COPPER TANK FIRST TANK LEFT SIDE, nut_style: HEXAGON, thickness: 0.625 INCHES NOMINAL IN, unit_type: TELESCOPING, body_style: ANGLE, SHAPE, INTERNAL COUPLING. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-012-0370, 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
MRO→ MRO_GENERAL→ 55-7
NSN: 5310-00-012-0370
NIINs: 000120370, 000383128, 000563449, 001015130, 001443703, 001976715, 003916419, 005439552, 006487859, 006495141, 006676631, 006683246, 007411938, 008005968, 008416066, 010060926, 010850203, 011240201, 011762760, 011939081, 012479598, 012660598, 013684194, 014991747, 015650424, 015818225
FSC: 5310 — Nuts and Washers
CAGE: 32195 — OUTBOARD MARINE CORP JOHNSON MOTORS DIV (USA)
SPECIFICATIONS
length12.040 FEET MINIMUM AND 12.368 FEET MAXIMUM FT
materialCOPPER ALLOY OR COPPER TANK FIRST TANK LEFT SIDE
nut_styleHEXAGON
thickness0.625 INCHES NOMINAL IN
unit_typeTELESCOPING
body_styleANGLE, SHAPE, INTERNAL COUPLING
body_width0.918 INCHES NOMINAL IN
core_width21.750 INCHES NOMINAL IN
head_styleHEXAGON
nut_height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
body_height0.250 INCHES NOMINAL IN
body_length1.168 INCHES NOMINAL IN
NSN5310-00-012-0370
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55-7 · OEM ⚠ 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
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.6120 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
NUT HEIGHT: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 2B
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.6120 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
NUT HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
120370Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
GM120370Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
535672Reference document
Same NSN cross-reference
Reference document — Secondary reference
103027Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFB571TYPEAReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55-7?
55-7 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 55-7?
There are 5 known substitutes for 55-7: 120370, GM120370, 535672 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-7?
55-7 is cataloged in the U.S. Government catalog under NSN 5310-00-012-0370. This indicates validated use in U.S. government and defense supply chains.
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