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4057689A — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4057689A: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.212 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.235 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-133-9844, 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
4057689A
NSN: 5306-01-133-9844
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.212 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
thread_class3A A
thread_length0.235 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.215 INCHES MINIMUM AND 1.235 INCHES MAXIMUM IN
shoulder_length0.851 INCHES MINIMUM AND 0.881 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
NSN5306-01-133-9844
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4057689A · 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: 0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.212 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.215 INCHES MINIMUM AND 1.235 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.851 INCHES MINIMUM AND 0.881 INCHES MAXIMUM FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.235 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
HEAD HEIGHT0.212 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
FASTENER LENGTH1.215 INCHES MINIMUM AND 1.235 INCHES MAXIMUM IN
SHOULDER LENGTH0.851 INCHES MINIMUM AND 0.881 INCHES MAXIMUM FIRST SHOULDER IN
EXTENDED WASHER DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
SHOULDER DIAMETER0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.235 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7460 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
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 2
4057689Reference document
Same NSN cross-reference
Reference document — Secondary reference
5306PL1498074Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4057689A?
4057689A is a BOLT,SHOULDER.
What parts can replace 4057689A?
There are 2 known substitutes for 4057689A: 4057689, 5306PL1498074. Substitute compatibility should be verified for your specific system.
What is the NSN for 4057689A?
4057689A is cataloged in the U.S. Government catalog under NSN 5306-01-133-9844. 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.