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2057J128 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2057J128: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: DEE, head_height: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.411 INCHES NOMINAL IN, thread_length: 0.590 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-614-7985, 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
2057J128
NSN: 5306-00-614-7985
FSC: 5306 — Bolts
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_styleDEE
head_height0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.411 INCHES NOMINAL IN
thread_length0.590 INCHES MINIMUM IN
fastener_length1.490 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-614-7985
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2057J128 · 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
•
HEAD HEIGHT: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.490 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 0.240 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.590 INCHES MINIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
FASTENER LENGTH1.490 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.240 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
THREAD LENGTH0.590 INCHES MINIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEDEE
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2057J128?
2057J128 is a BOLT,MACHINE.
What is the NSN for 2057J128?
2057J128 is cataloged in the U.S. Government catalog under NSN 5306-00-614-7985. This indicates validated use in U.S. government and defense supply chains.
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