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NASN21250 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NASN21250: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN, head_height: 0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-269-9235, 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
NASN21250
NSN: 5306-01-269-9235
FSC: 5306 — Bolts
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
head_height0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN
thread_length1.479 INCHES MINIMUM AND 1.519 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length3.114 INCHES MINIMUM AND 3.134 INCHES MAXIMUM IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5306-01-269-9235
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NASN21250 · 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 GRIP
•
EXTENDED WASHER THICKNESS: 0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.114 INCHES MINIMUM AND 3.134 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.479 INCHES MINIMUM AND 1.519 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
EXTENDED WASHER THICKNESS0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
HEAD HEIGHT0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
FASTENER LENGTH3.114 INCHES MINIMUM AND 3.134 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
THREAD LENGTH1.479 INCHES MINIMUM AND 1.519 INCHES MAXIMUM IN
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES IN
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 2
190A118-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS21250-16026Reference 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 NASN21250?
NASN21250 is a BOLT,SHEAR.
What parts can replace NASN21250?
There are 2 known substitutes for NASN21250: 190A118-001, MS21250-16026. Substitute compatibility should be verified for your specific system.
What is the NSN for NASN21250?
NASN21250 is cataloged in the U.S. Government catalog under NSN 5306-01-269-9235. 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.