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491010020029989 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

491010020029989: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 464 OVERALL, head_style: SQUARE, head_height: 0.250 INCHES NOMINAL IN, point_style: DOG, point_length: 0.188 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-197-1371, 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
491010020029989
NSN: 5305-01-197-1371
FSC: 5305 — Screws
CAGE: 09032 — TATE ANDALE, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 464 OVERALL
head_styleSQUARE
head_height0.250 INCHES NOMINAL IN
point_styleDOG
point_length0.188 INCHES NOMINAL IN
thread_class3A A
point_diameter0.188 INCHES NOMINAL IN
fastener_length2.500 INCHES NOMINAL IN
special_featuresGRIP 0.250 INCH DIA,0.188 INCH LONG IN
thread_directionRIGHT-HAND
width_between_flats0.312 INCHES NOMINAL IN
internal_drive_styleW/O INTERNAL DRIVE
NSN5305-01-197-1371
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 491010020029989 · 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
•
POINT DIAMETER: 0.188 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
POINT LENGTH: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: SQUARE
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.188 INCHES NOMINAL IN
HEAD HEIGHT0.250 INCHES NOMINAL IN
POINT LENGTH0.188 INCHES NOMINAL IN
FASTENER LENGTH2.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
POINT STYLEDOG
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL IN
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 2
N5385 PIECE 182Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N5501 PIECE 182Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 491010020029989?
491010020029989 is a SETSCREW.
What parts can replace 491010020029989?
There are 2 known substitutes for 491010020029989: N5385 PIECE 182, N5501 PIECE 182. Substitute compatibility should be verified for your specific system.
What is the NSN for 491010020029989?
491010020029989 is cataloged in the U.S. Government catalog under NSN 5305-01-197-1371. This indicates validated use in U.S. government and defense supply chains.
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