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624622 — FAIRING ASSEMBLY,DIFFUSER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

624622: FAIRING ASSEMBLY,DIFFUSER.

The FAIRING ASSEMBLY,DIFFUSER is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT ENG TF-30. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-209-1678, 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
624622
NSN: 5310-00-209-1678
NIINs: 002091678, 009290145
FSC: 5310 — Nuts and Washers
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
end_item_identificationACFT ENG TF-30
NSN5310-00-209-1678
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 624622 · 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
•
HARDNESS RATING: 64.0 ROCKWELL C MINIMUM AND 68.0 ROCKWELL C MAXIMUM
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STYLE DESIGNATOR: RECESSED
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6709 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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OUTSIDE DIAMETER: 1.901 INCHES MINIMUM AND 1.911 INCHES MAXIMUM IN
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RECESS DEPTH: 0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
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FEATURES PROVIDED: CASEHARDENED
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MATERIAL THICKNESS: 0.114 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
HARDNESS RATING64.0 ROCKWELL C MINIMUM AND 68.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6709 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.901 INCHES MINIMUM AND 1.911 INCHES MAXIMUM IN
RECESS DEPTH0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
MATERIAL THICKNESS0.114 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.500 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 624622?
624622 is a FAIRING ASSEMBLY,DIFFUSER.
What is the NSN for 624622?
624622 is cataloged in the U.S. Government catalog under NSN 5310-00-209-1678. 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.