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NAS1801-4-450 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NAS1801-4-450: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include special_features: HEX HEAD, CRUCIFORM RECESS, FULL THREAD, ALLOY STEEL, 160 KSI FTU, THREAD SIZE .2500-28, UNJF-3A A, thread_direction: RIGHT-HAND, part_name_assigned_by_controlling_agency: SCREW, HEX HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-581-1893, 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
NAS1801-4-450
NSN: 5305-01-581-1893
FSC: 5305 — Screws
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
special_featuresHEX HEAD, CRUCIFORM RECESS, FULL THREAD, ALLOY STEEL, 160 KSI FTU, THREAD SIZE .2500-28, UNJF-3A A
thread_directionRIGHT-HAND
part_name_assigned_by_controlling_agencySCREW, HEX HEAD
NSN5305-01-581-1893
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS1801-4-450 · 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
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESHEX HEAD, CRUCIFORM RECESS, FULL THREAD, ALLOY STEEL, 160 KSI FTU, THREAD SIZE .2500-28, UNJF-3A A
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, HEX HEAD
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1801-4-450?
NAS1801-4-450 is a SCREW,MACHINE.
What is the NSN for NAS1801-4-450?
NAS1801-4-450 is cataloged in the U.S. Government catalog under NSN 5305-01-581-1893. This indicates validated use in U.S. government and defense supply chains.
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