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23000427 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

23000427: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: HEXAGON, grip_length: 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, head_height: 0.188 INCHES MINIMUM IN, thread_class: 3A A, thread_length: 0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-323-8962, 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
23000427
NSN: 5306-01-323-8962
FSC: 5306 — Bolts
CAGE: 63005 — ROLLS-ROYCE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_styleHEXAGON
grip_length0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
head_height0.188 INCHES MINIMUM IN
thread_class3A A
thread_length0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES GRIP
fastener_length1.300 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_featuresFLATTEN END OF HEX HEAD 0.173 IN. MIN 0.178 IN. MAX LG FROM CENTER OF HEAD IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN5306-01-323-8962
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 23000427 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
HEAD HEIGHT: 0.188 INCHES MINIMUM IN
•
FASTENER LENGTH: 1.300 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.188 INCHES MINIMUM IN
FASTENER LENGTH1.300 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
THREAD LENGTH0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
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 1
23000426Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 23000427?
23000427 is a BOLT,MACHINE.
What parts can replace 23000427?
There is 1 known substitute for 23000427: 23000426. Substitute compatibility should be verified for your specific system.
What is the NSN for 23000427?
23000427 is cataloged in the U.S. Government catalog under NSN 5306-01-323-8962. 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.