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379278 — FERRULE,BRAZING,TUBE FITTING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

379278: FERRULE,BRAZING,TUBE FITTING.

The FERRULE,BRAZING,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 347, flange_width: 0.106 INCHES NOMINAL IN, overall_length: 1.510 INCHES NOMINAL IN, style_designator: FLARE, seat_angle_in_deg: 37.0, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-500-0137, 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
379278
NSN: 5310-00-500-0137
NIINs: 005000137, 007378971
FSC: 5310 — Nuts and Washers
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL COMP 347
flange_width0.106 INCHES NOMINAL IN
overall_length1.510 INCHES NOMINAL IN
style_designatorFLARE
seat_angle_in_deg37.0
casehardening_indicatorNOT CASEHARDENED
flange_outside_diameter0.680 INCHES NOMINAL IN
sleeve_outside_diameter0.561 INCHES NOMINAL IN
hose/tube_outside_diameter_for_which_designed0.438 INCHES NOMINAL IN
NSN5310-00-500-0137
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 379278 · 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
•
SURFACE FINISH: 32.0 MICROINCHES TOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: VS1-1-2-5 62983 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES TOP
SURFACE FINISH125.0 MICROINCHES OUTER
SURFACE FINISH16.0 MICROINCHES BOTTOM
SURFACE FINISH125.0 MICROINCHES INNER
MATERIAL DOCUMENT AND CLASSIFICATIONVS1-1-2-5 62983 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 379278?
379278 is a FERRULE,BRAZING,TUBE FITTING.
What is the NSN for 379278?
379278 is cataloged in the U.S. Government catalog under NSN 5310-00-500-0137. 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.