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34-01266-20 — BOLT,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

34-01266-20: BOLT,ASSEMBLED WASHER.

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON EXTENDED WASHER, head_height: 4.5 MILLIMETERS NOMINAL MM, head_diameter: 11.5 MILLIMETERS NOMINAL MM, thread_length: 17.0 MILLIMETERS NOMINAL MM, fastener_length: 17.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-574-2049, 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
34-01266-20
NSN: 5306-01-574-2049
FSC: 5306 — Bolts
CAGE: 10855 — CARRIER CORP (USA)
SPECIFICATIONS
head_styleHEXAGON EXTENDED WASHER
head_height4.5 MILLIMETERS NOMINAL MM
head_diameter11.5 MILLIMETERS NOMINAL MM
thread_length17.0 MILLIMETERS NOMINAL MM
fastener_length17.0 MILLIMETERS NOMINAL MM
washer_quantity1
thread_directionRIGHT-HAND
primary_washer_styleFLAT
end_item_identification8145-01-534-3597 MULT-TEMP REFR CONT
thread_series_designatorM
NSN5306-01-574-2049
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 34-01266-20 · 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: 4.5 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 17.0 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 17.0 MILLIMETERS NOMINAL MM
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
PRIMARY WASHER STYLE: FLAT
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: M
TECHNICAL CHARACTERISTICS
HEAD HEIGHT4.5 MILLIMETERS NOMINAL MM
FASTENER LENGTH17.0 MILLIMETERS NOMINAL MM
THREAD LENGTH17.0 MILLIMETERS NOMINAL MM
HEAD STYLEHEXAGON EXTENDED WASHER
PRIMARY WASHER STYLEFLAT
THREAD DIRECTIONRIGHT-HAND
END ITEM IDENTIFICATION8145-01-534-3597 MULT-TEMP REFR CONT
THREAD SERIES DESIGNATORM
WASHER QUANTITY1
HEAD DIAMETER11.5 MILLIMETERS NOMINAL MM
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 34-01266-20?
34-01266-20 is a BOLT,ASSEMBLED WASHER.
What is the NSN for 34-01266-20?
34-01266-20 is cataloged in the U.S. Government catalog under NSN 5306-01-574-2049. 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.