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Technical Data Sheet
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55212 — 55212

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

55212: 55212.

The 55212 is a Mobiparts industrial component. Key specifications include end_item_identification: AM/7476/U SYNCHRO SIGNAL AMPLIFIER. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-285-5684, 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→ 55212
NSN: 5310-00-285-5684
NIINs: 002855684, 013850858
FSC: 5310 — Nuts and Washers
CAGE: 80470 — ITT HOLUB INDUSTRIES ACE INDUSTRIAL PRODUCT LINE (USA)
SPECIFICATIONS
end_item_identificationAM/7476/U SYNCHRO SIGNAL AMPLIFIER
NSN5310-00-285-5684
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55212 · Mobiparts ⚠ 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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OVERALL DIAMETER: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
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SURFACE TREATMENT: CADMIUM OVERALL
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PERIPHERAL SHAPE STYLE: ROUND
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MATERIAL: STEEL OVERALL
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CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
THICKNESS0.063 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55212?
55212 is a 55212 manufactured by Mobiparts. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 55212?
55212 is cataloged in the U.S. Government catalog under NSN 5310-00-285-5684. This indicates validated use in U.S. government and defense supply chains.
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