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2178425 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2178425: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, hole_diameter: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, thread_length: 0.508 INCHES MINIMUM AND 0.538 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-140-8833, 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
2178425
NSN: 5306-01-140-8833
FSC: 5306 — Bolts
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON W/HOLE
head_height0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
hole_diameter0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_quantity4
thread_length0.508 INCHES MINIMUM AND 0.538 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.713 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
shoulder_length0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.3150 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM FIRST SHOULDER IN
NSN5306-01-140-8833
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2178425 · 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: 0.070 INCHES MINIMUM IN
•
HEAD HEIGHT: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.713 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.3150 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.508 INCHES MINIMUM AND 0.538 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM IN
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
FASTENER LENGTH0.713 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
SHOULDER LENGTH0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST SHOULDER IN
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SHOULDER DIAMETER0.3150 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.508 INCHES MINIMUM AND 0.538 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5754 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2178425?
2178425 is a BOLT,SHOULDER.
What is the NSN for 2178425?
2178425 is cataloged in the U.S. Government catalog under NSN 5306-01-140-8833. This indicates validated use in U.S. government and defense supply chains.
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