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427623 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

427623: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DEE, grip_length: 0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN, head_height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, head_diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_length: 0.710 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-845-0397, 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
427623
NSN: 5306-00-845-0397
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDEE
grip_length0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
head_height0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
head_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_length0.710 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
fastener_length1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_diameter0.250 INCHES IN
NSN5306-00-845-0397
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 427623 · 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: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.710 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
FASTENER LENGTH1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
THREAD LENGTH0.710 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEDEE
THREAD DIRECTIONRIGHT-HAND
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 427623?
427623 is a BOLT,MACHINE.
What is the NSN for 427623?
427623 is cataloged in the U.S. Government catalog under NSN 5306-00-845-0397. 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.