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Technical Data Sheet
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1885817 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1885817: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.375 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN, thread_length: 0.438 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-385-1377, 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
1885817
NSN: 5306-00-385-1377
NIINs: 003851377, 012929768
FSC: 5306 — Bolts
CAGE: 16764 — GENERAL MOTORS CORP DELCO REMY DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.375 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
thread_length0.438 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.031 INCHES NOMINAL IN
shoulder_length0.274 INCHES MINIMUM AND 0.279 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.494 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentZINC OVERALL
NSN5306-00-385-1377
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1885817 · 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: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.031 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.274 INCHES MINIMUM AND 0.279 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: P-44A DELCO-REMY DIV GENERAL MOTORS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL A
•
SHOULDER DIAMETER: 0.494 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.438 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1005 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH1.031 INCHES NOMINAL IN
SHOULDER LENGTH0.274 INCHES MINIMUM AND 0.279 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONP-44A DELCO-REMY DIV GENERAL MOTORS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL A
SHOULDER DIAMETER0.494 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.438 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1005 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT CHAMFER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1885817?
1885817 is a BOLT,SHOULDER.
What is the NSN for 1885817?
1885817 is cataloged in the U.S. Government catalog under NSN 5306-00-385-1377. This indicates validated use in U.S. government and defense supply chains.
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