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4069549 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4069549: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.370 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-320-6391, 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
4069549
NSN: 5306-01-320-6391
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON W/HOLE
head_height0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
thread_class3A A
thread_length0.370 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN
shoulder_length1.245 INCHES MINIMUM AND 1.265 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresCENTER HEAD HOLE 0.250/0.270 IN. DIA;EXTERNALLY RELIEVED AREA 0.222/0.232 IN. DIA X 0.052/0.072 IN. WIDE BETWEEN SHANK AND THREADS IN
thread_directionRIGHT-HAND
shoulder_diameter0.3405 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.4375 INCHES NOMINAL IN
NSN5306-01-320-6391
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4069549 · 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: 0.095 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.245 INCHES MINIMUM AND 1.265 INCHES MAXIMUM FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.3405 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.095 INCHES NOMINAL IN
HEAD HEIGHT0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
FASTENER LENGTH1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN
SHOULDER LENGTH1.245 INCHES MINIMUM AND 1.265 INCHES MAXIMUM FIRST SHOULDER IN
EXTENDED WASHER DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
SHOULDER DIAMETER0.3405 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.370 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7477 ASSN STD SINGLE MATERIAL RESPONSE AND PWA-S-7477,CAGE77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 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 1
5306PL1499281Reference 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 4069549?
4069549 is a BOLT,SHOULDER.
What parts can replace 4069549?
There is 1 known substitute for 4069549: 5306PL1499281. Substitute compatibility should be verified for your specific system.
What is the NSN for 4069549?
4069549 is cataloged in the U.S. Government catalog under NSN 5306-01-320-6391. 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.