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L4100249-003 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

L4100249-003: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.711 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.410 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-344-5526, 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
L4100249-003
NSN: 5306-01-344-5526
FSC: 5306 — Bolts
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON W/HOLE
head_height0.711 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.410 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
hole_quantity1
thread_length1.388 INCHES NOMINAL IN
fastener_length2.985 INCHES MINIMUM AND 3.015 INCHES MAXIMUM IN
special_featuresHOLE DRILLED IN HEAD-DEPTH 0.331 INCH IN
thread_directionRIGHT-HAND
width_between_flats0.803 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN
NSN5306-01-344-5526
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: L4100249-003 · 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
•
EXTENDED WASHER THICKNESS: 0.178 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.711 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.985 INCHES MINIMUM AND 3.015 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.388 INCHES NOMINAL IN
•
HOLE CONFIGURATION STYLE: DOUBLE HEXAGON LONGITUDINAL HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.663 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.178 INCHES NOMINAL IN
HEAD HEIGHT0.711 INCHES NOMINAL IN
FASTENER LENGTH2.985 INCHES MINIMUM AND 3.015 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
THREAD LENGTH1.388 INCHES NOMINAL IN
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.663 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L4100249-003?
L4100249-003 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for L4100249-003?
L4100249-003 is cataloged in the U.S. Government catalog under NSN 5306-01-344-5526. This indicates validated use in U.S. government and defense supply chains.
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