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AS20908 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AS20908: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.258 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.418 INCHES NOMINAL IN, fastener_length: 0.758 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-052-0336, 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
AS20908
NSN: 5306-01-052-0336
NIINs: 010520336, 011578342
FSC: 5306 — Bolts
CAGE: U1653 — SOCIETY OF BRITISH AEROSPACE COMPANIES LTD (SBAC) (GBR)
SPECIFICATIONS
head_styleDOUBLE HEXAGON W/HOLE
head_height0.258 INCHES NOMINAL IN
thread_class3A A
thread_length0.418 INCHES NOMINAL IN
fastener_length0.758 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.250 INCHES NOMINAL IN
nominal_thread_diameter0.190 INCHES IN
extended_washer_diameter0.375 INCHES NOMINAL IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
extended_washer_thickness0.040 INCHES NOMINAL IN
NSN5306-01-052-0336
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AS20908 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONAIRCRAFT ENGINE MODEL F-402-RR-401
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 AS20908?
AS20908 is a BOLT,MACHINE.
What is the NSN for AS20908?
AS20908 is cataloged in the U.S. Government catalog under NSN 5306-01-052-0336. 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.