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K29913-104NF — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

K29913-104NF: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, material: STEEL COMP H11 OVERALL, hole_diameter: 0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN, hardness_rating: 52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM, outside_diameter: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-337-6052, 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
K29913-104NF
NSN: 5310-01-337-6052
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
radius0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
materialSTEEL COMP H11 OVERALL
hole_diameter0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
hardness_rating52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
outside_diameter0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
style_designatorCONCAVE
surface_treatmentPASSIVATE OVERALL
material_thickness0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
material_document_and_classificationAMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-337-6052
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K29913-104NF · 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 TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
RADIUS: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
HARDNESS RATING: 52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
HARDNESS RATING52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORCONCAVE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
MATERIAL THICKNESS0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP H11 OVERALL
HOLE DIAMETER0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
942010-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
70191-104USame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BACW10CA104CCUReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 K29913-104NF?
K29913-104NF is a WASHER,CONCAVE.
What parts can replace K29913-104NF?
There are 3 known substitutes for K29913-104NF: 942010-4, 70191-104U, BACW10CA104CCU. Substitute compatibility should be verified for your specific system.
What is the NSN for K29913-104NF?
K29913-104NF is cataloged in the U.S. Government catalog under NSN 5310-01-337-6052. This indicates validated use in U.S. government and defense supply chains.
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