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349109 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

349109: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, thread_class: 3A A, hole_diameter: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-673-8803, 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
349109
NSN: 5310-00-673-8803
NIINs: 006738803, 014242964
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
thread_class3A A
hole_diameter0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
fastener_length1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleHEXAGON
nominal_thread_diameter0.500 INCHES IN
hole_configuration_styleHEXAGON FLATS
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5310-00-673-8803
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 349109 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5040 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.380 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.206 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5040 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.380 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN
RECESS DEPTH0.206 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
SPECIAL FEATURESCONTAINS TWO INTERNAL PRE-BENT TABS,LOCATED 180 DEGREES APART
MATERIALSTEEL COMP 1010 OVERALL
HOLE DIAMETER1.010 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 349109?
349109 is a WASHER,RECESSED.
What is the NSN for 349109?
349109 is cataloged in the U.S. Government catalog under NSN 5310-00-673-8803. This indicates validated use in U.S. government and defense supply chains.
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