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47421-1 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

47421-1: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: BEVEL-CONICAL, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, thread_length: 0.660 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-021-6832, 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
47421-1
NSN: 5306-01-021-6832
NIINs: 010216832, 012333181
FSC: 5306 — Bolts
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleBEVEL-CONICAL
head_height0.250 INCHES NOMINAL IN
thread_class3A A
head_diameter0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
thread_length0.660 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
fastener_length4.060 INCHES MINIMUM AND 4.120 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_across_flats0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
first_diameter_from_head0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NSN5306-01-021-6832
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 47421-1 · 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
•
WIDTH ACROSS FLATS: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.060 INCHES MINIMUM AND 4.120 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.660 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 3.340 INCHES MINIMUM AND 3.400 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH4.060 INCHES MINIMUM AND 4.120 INCHES MAXIMUM IN
THREAD LENGTH0.660 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER3.340 INCHES MINIMUM AND 3.400 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEBEVEL-CONICAL
THREAD DIRECTIONRIGHT-HAND
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 47421-1?
47421-1 is a BOLT,INTERNAL WRENCHING.
What is the NSN for 47421-1?
47421-1 is cataloged in the U.S. Government catalog under NSN 5306-01-021-6832. 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.