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Technical Data Sheet
PartsTable / COMPONENT / 640F185G01
640F185G01 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,WOOD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, fastener_length: 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, countersink_angle: 80.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM, surface_treatment: CADMIUM AND CHROMATE OR ZINC OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-224-0147, 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
640F185G01
NSN: 5305-00-224-0147
FSC: 5305
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
head_diameter0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
fastener_length0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
countersink_angle80.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM
surface_treatmentCADMIUM AND CHROMATE OR ZINC OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nonmachine_thread_styleWOOD SCREW (TYPE WD)
nondefinitive_spec/std_data1 TYPE AND 2C STYLE
nonmachine_nominal_thread_diameter0.138 INCHES IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5305-00-224-0147
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 640F185G01 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC OVERALL
•
NONMACHINE THREAD STYLE: WOOD SCREW (TYPE WD)
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2C STYLE
•
MATERIAL: STEEL OVERALL
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC OVERALL
NONMACHINE THREAD STYLEWOOD SCREW (TYPE WD)
NONMACHINE NOMINAL THREAD DIAMETER0.138 INCHES IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2C STYLE
MATERIALSTEEL OVERALL
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM
FASTENER LENGTH0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
HEAD DIAMETER0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2365Interchangeable
interchangeable cross-reference
interchangeable
552159-103Interchangeable
interchangeable cross-reference
interchangeable
BA-168902-SPEC-KS14141L2Interchangeable
interchangeable cross-reference
interchangeable
MS35492-30Interchangeable
Same NIIN cross-reference
interchangeable
MS35492-530Interchangeable
Same NIIN cross-reference
interchangeable
C007Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640F185G01?
640F185G01 is a SCREW,WOOD.
What parts can replace 640F185G01?
There are 8 known substitutes for 640F185G01: 2365, 552159-103, BA-168902-SPEC-KS14141L2 and 5 more. Substitute compatibility should be verified for your specific system.
Is 640F185G01 still available?
640F185G01 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026