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786321310-5 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

786321310-5: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213 OVERALL, hole_diameter: 1.506 INCHES MINIMUM AND 1.514 INCHES MAXIMUM IN, outside_diameter: 3.250 INCHES NOMINAL IN, special_features: FLATTED ONE SIDE,1.590 IN. FROM CENTER TO TOP OF FLATTED SIDE AND CHAMFER 0.120 IN.

BY 45 DEG FLATTED SIDE IN, style_designator: RECESSED BOTH SIDES, top_recess_angle: 90.0 DEGREES NOMINAL. This part is cataloged in the U.S. Government catalog under NSN 5310-01-119-1448, 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
786321310-5
NSN: 5310-01-119-1448
FSC: 5310 — Nuts and Washers
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OVERALL
hole_diameter1.506 INCHES MINIMUM AND 1.514 INCHES MAXIMUM IN
outside_diameter3.250 INCHES NOMINAL IN
special_featuresFLATTED ONE SIDE,1.590 IN. FROM CENTER TO TOP OF FLATTED SIDE AND CHAMFER 0.120 IN. BY 45 DEG FLATTED SIDE IN
style_designatorRECESSED BOTH SIDES
top_recess_angle90.0 DEGREES NOMINAL
material_thickness0.195 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
bottom_recess_angle90.0 DEGREES NOMINAL
top_recess_diameter1.540 INCHES NOMINAL IN
bottom_recess_diameter1.540 INCHES NOMINAL IN
NSN5310-01-119-1448
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 786321310-5 · 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
•
TOP RECESS DIAMETER: 1.540 INCHES NOMINAL IN
•
BOTTOM RECESS DIAMETER: 1.540 INCHES NOMINAL IN
•
TOP RECESS ANGLE: 90.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: RECESSED BOTH SIDES
•
OUTSIDE DIAMETER: 3.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.195 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
BOTTOM RECESS ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
TOP RECESS DIAMETER1.540 INCHES NOMINAL IN
BOTTOM RECESS DIAMETER1.540 INCHES NOMINAL IN
TOP RECESS ANGLE90.0 DEGREES NOMINAL
STYLE DESIGNATORRECESSED BOTH SIDES
OUTSIDE DIAMETER3.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.195 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
SPECIAL FEATURESFLATTED ONE SIDE,1.590 IN. FROM CENTER TO TOP OF FLATTED SIDE AND CHAMFER 0.120 IN. BY 45 DEG FLATTED SIDE IN
MATERIALSTEEL COMP 1213 OVERALL
HOLE DIAMETER1.506 INCHES MINIMUM AND 1.514 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 786321310-5?
786321310-5 is a WASHER,RECESSED.
What is the NSN for 786321310-5?
786321310-5 is cataloged in the U.S. Government catalog under NSN 5310-01-119-1448. This indicates validated use in U.S. government and defense supply chains.
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