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306-02040 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

306-02040: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_length: 0.250 INCHES NOMINAL IN, screw_material: STEEL OR STEEL CORROSION RESISTING OR ALUMINUM ALLOY OR COPPER ALLOY 110. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-467-6669, 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
306-02040
NSN: 5305-01-467-6669
FSC: 5305 — Screws
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
head_stylePAN
head_height0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_length0.250 INCHES NOMINAL IN
screw_materialSTEEL OR STEEL CORROSION RESISTING OR ALUMINUM ALLOY OR COPPER ALLOY 110
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch40
NSN5305-01-467-6669
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 306-02040 · 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
•
HEAD HEIGHT: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: ANSIB18.6.3 ASSN STD 1ST MATERIAL RESPONSE
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL OR STEEL CORROSION RESISTING OR ALUMINUM ALLOY OR COPPER ALLOY 110
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONANSIB18.6.3 ASSN STD 1ST MATERIAL RESPONSE
THREAD LENGTH0.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL OR STEEL CORROSION RESISTING OR ALUMINUM ALLOY OR COPPER ALLOY 110
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES 4
M19-21121-D PC142Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PL-M19-21121-D PC 142Reference document
Same NSN cross-reference
Reference document — Secondary reference
M19-20873 PC NO 257Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
310-02040Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 306-02040?
306-02040 is a SCREW,MACHINE.
What parts can replace 306-02040?
There are 4 known substitutes for 306-02040: M19-21121-D PC142, PL-M19-21121-D PC 142, M19-20873 PC NO 257 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 306-02040?
306-02040 is cataloged in the U.S. Government catalog under NSN 5305-01-467-6669. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.