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4049T81P01 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4049T81P01: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.047 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-054-9229, 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
4049T81P01
NSN: 5306-01-054-9229
FSC: 5306 — Bolts
CAGE: 03350 — GENERAL ELECTRIC COMPANY DBA GE STRUCTURED SERVICES DIV GENERAL ELECTRIC STRUCTURED SERVICES, LP (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.047 INCHES NOMINAL IN
hole_quantity2
thread_length0.399 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
shoulder_length0.090 INCHES MINIMUM AND 0.091 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
NSN5306-01-054-9229
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4049T81P01 · 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: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.090 INCHES MINIMUM AND 0.091 INCHES MAXIMUM FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.399 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
HEAD HEIGHT0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
FASTENER LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
SHOULDER LENGTH0.090 INCHES MINIMUM AND 0.091 INCHES MAXIMUM FIRST SHOULDER IN
EXTENDED WASHER DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
SHOULDER DIAMETER0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.399 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
NOMINAL THREAD DIAMETER0.190 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

No substitute or cross-reference records for this part.

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 4049T81P01?
4049T81P01 is a BOLT,SHOULDER.
What is the NSN for 4049T81P01?
4049T81P01 is cataloged in the U.S. Government catalog under NSN 5306-01-054-9229. 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.