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AS20907 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AS20907: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN, fastener_length: 0.438 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-157-8347, 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
AS20907
NSN: 5306-01-157-8347
FSC: 5306 — Bolts
CAGE: K7766 — BSI STANDARDS LIMITED (GBR)
SPECIFICATIONS
head_styleDOUBLE HEXAGON W/HOLE
head_height0.250 INCHES NOMINAL IN
thread_class3A A
thread_length0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
fastener_length0.438 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
NSN5306-01-157-8347
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AS20907 · 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 NOMINAL IN
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.438 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON W/HOLE
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.040 INCHES NOMINAL IN
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH0.438 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.375 INCHES NOMINAL IN
THREAD LENGTH0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.250 INCHES NOMINAL IN
THREAD CLASS3A A
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 AS20907?
AS20907 is a BOLT,MACHINE.
What is the NSN for AS20907?
AS20907 is cataloged in the U.S. Government catalog under NSN 5306-01-157-8347. 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.