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1819821 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1819821: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, first_end_style: CHAMFERED, surface_treatment: PASSIVATE OVERALL, pin_overall_length: 1.984 INCHES NOMINAL IN, pin_overall_diameter: 0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN, first_end_taper_length: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-722-3463, 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
1819821
NSN: 5305-00-722-3463
NIINs: 007223463, 015031122
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
first_end_styleCHAMFERED
surface_treatmentPASSIVATE OVERALL
pin_overall_length1.984 INCHES NOMINAL IN
pin_overall_diameter0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
first_end_taper_length0.031 INCHES NOMINAL IN
end_item_identificationLOS ANGELES CLASS SSN (688)
material_document_and_classificationASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5305-00-722-3463
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1819821 · 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
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
•
FASTENER LENGTH: 1.077 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.499 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
FASTENER LENGTH1.077 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
THREAD LENGTH0.499 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLETORQUE SET
SUBSTITUTES & CROSS-REFERENCES 1
051-900-022Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1819821?
1819821 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 1819821?
There is 1 known substitute for 1819821: 051-900-022. Substitute compatibility should be verified for your specific system.
What is the NSN for 1819821?
1819821 is cataloged in the U.S. Government catalog under NSN 5305-00-722-3463. This indicates validated use in U.S. government and defense supply chains.
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