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A6958AEA1BPC9 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A6958AEA1BPC9: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.750 INCHES NOMINAL STUD THREAD IN, overall_length: 3.375 INCHES NOMINAL IN, hardness_rating: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, shoulder_length: 1.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-207-5030, 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
A6958AEA1BPC9
NSN: 5307-00-207-5030
FSC: 5307 — Studs
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.750 INCHES NOMINAL STUD THREAD IN
overall_length3.375 INCHES NOMINAL IN
hardness_rating27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
shoulder_length1.875 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter0.625 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES NUT THREAD IN
nut_end_shank_length0.188 INCHES NOMINAL IN
nut_end_shank_diameter0.417 INCHES NOMINAL IN
NSN5307-00-207-5030
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A6958AEA1BPC9 · 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
•
NUT END SHANK DIAMETER: 0.417 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL NUT THREAD IN
•
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SHOULDERED
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
NUT END SHANK DIAMETER0.417 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.750 INCHES NOMINAL STUD THREAD IN
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSHOULDERED
OVERALL LENGTH3.375 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.500 INCHES STUD THREAD IN
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES 3
AEA1384AReference document
Same NSN cross-reference
Reference document — Design control — primary reference
E3118984PC9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A3118990Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A6958AEA1BPC9?
A6958AEA1BPC9 is a STUD,SHOULDERED.
What parts can replace A6958AEA1BPC9?
There are 3 known substitutes for A6958AEA1BPC9: AEA1384A, E3118984PC9, A3118990. Substitute compatibility should be verified for your specific system.
What is the NSN for A6958AEA1BPC9?
A6958AEA1BPC9 is cataloged in the U.S. Government catalog under NSN 5307-00-207-5030. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.