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MS21250-10038 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS21250-10038: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM IN, head_height: 0.618 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-403-0175, 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
MS21250-10038
NSN: 5306-00-403-0175
FSC: 5306 — Bolts
CAGE: 50945 — MERCURY AEROSPACE FASTENERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM IN
head_height0.618 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
thread_length0.909 INCHES MINIMUM AND 0.929 INCHES MAXIMUM IN
fastener_length3.294 INCHES NOMINAL IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
NSN5306-00-403-0175
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS21250-10038 · 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: 0.150 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.618 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.294 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
EXTENDED WASHER DIAMETER: 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.909 INCHES MINIMUM AND 0.929 INCHES MAXIMUM IN
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.150 INCHES NOMINAL IN
HEAD HEIGHT0.618 INCHES NOMINAL IN
FASTENER LENGTH3.294 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
EXTENDED WASHER DIAMETER1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
THREAD LENGTH0.909 INCHES MINIMUM AND 0.929 INCHES MAXIMUM IN
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS21250-10038?
MS21250-10038 is a BOLT,SHEAR.
What is the NSN for MS21250-10038?
MS21250-10038 is cataloged in the U.S. Government catalog under NSN 5306-00-403-0175. 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.