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558650 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

558650: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include special_features: 3/8-16 INCH X 1-1/4 INCH;FLOOR MOUNTIG IN, end_item_identification: MOTORIZED PUMP,UP TO 20 LBS LBS, part_name_assigned_by_controlling_agency: SCREW,HEX HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-990-5663, 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
558650
NSN: 5310-00-990-5663
NIINs: 009905663, 016409139
FSC: 5310 — Nuts and Washers
CAGE: J1695 — KITO MFG CO. LTD (JPN)
SPECIFICATIONS
special_features3/8-16 INCH X 1-1/4 INCH;FLOOR MOUNTIG IN
end_item_identificationMOTORIZED PUMP,UP TO 20 LBS LBS
part_name_assigned_by_controlling_agencySCREW,HEX HEAD
NSN5310-00-990-5663
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 558650 · 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
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OVERALL DIAMETER: 1.360 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
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HEAT TREATMENT: AS FABRICATED
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MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
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PERIPHERAL SHAPE STYLE: ROUND
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MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
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CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.997 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.360 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
HEAT TREATMENTAS FABRICATED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.997 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN
THICKNESS0.129 INCHES MINIMUM AND 0.131 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 558650?
558650 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 558650?
558650 is cataloged in the U.S. Government catalog under NSN 5310-00-990-5663. This indicates validated use in U.S. government and defense supply chains.
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