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291AS127-5 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

291AS127-5: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.688 INCHES NOMINAL IN, head_height: 0.156 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.656 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-784-1557, 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
291AS127-5
NSN: 5306-00-784-1557
FSC: 5306 — Bolts
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.688 INCHES NOMINAL IN
head_height0.156 INCHES NOMINAL IN
thread_class3A A
thread_length0.656 INCHES MINIMUM IN
fastener_length1.344 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
width_between_flats0.502 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-784-1557
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 291AS127-5 · 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: 0.156 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.344 INCHES NOMINAL IN
•
THREAD LENGTH: 0.656 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.156 INCHES NOMINAL IN
FASTENER LENGTH1.344 INCHES NOMINAL IN
THREAD LENGTH0.656 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.688 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.502 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 1
4819417-501Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 291AS127-5?
291AS127-5 is a BOLT,MACHINE.
What parts can replace 291AS127-5?
There is 1 known substitute for 291AS127-5: 4819417-501. Substitute compatibility should be verified for your specific system.
What is the NSN for 291AS127-5?
291AS127-5 is cataloged in the U.S. Government catalog under NSN 5306-00-784-1557. 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.