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Technical Data Sheet
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251443 — SCREW,MACHINE

✓ Government record, cited
TCL · BOLT SCREW
PRODUCT OVERVIEW

251443: SCREW,MACHINE.

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Through AI and HDR scene identification, SMART HDR improves both dark and bright scenes. On dark scenes, it supplements the level of brightness to express objects hidden in darker shadows. On brighter content scenes, SMART HDR increases the level of contrast rat This part is cataloged in the U.S.

Government catalog under NSN 5305-01-259-6333, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
251443
NSN: 5305-01-259-6333
NIINs: 012596333, 015297243
FSC: 5305 — Screws
CAGE: 82877 — ROTRON INCORPORATED (USA)
SPECIFICATIONS
end_item_identification2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR)
part_name_assigned_by_controlling_agencySHIM
NSN5305-01-259-6333
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 251443 · TCL ⚠ 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: 0.069 INCHES MAXIMUM IN
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SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
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THREAD LENGTH: 0.189 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
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NOMINAL THREAD DIAMETER: 0.086 INCHES IN
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HEAD STYLE: PAN NO. 2
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THREAD DIRECTION: RIGHT-HAND
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SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.069 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
THREAD LENGTH0.189 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
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 251443?
251443 is a SCREW,MACHINE manufactured by TCL.
What is the NSN for 251443?
251443 is cataloged in the U.S. Government catalog under NSN 5305-01-259-6333. This indicates validated use in U.S. government and defense supply chains.
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