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MS21297-05003 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS21297-05003: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, head_height: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-107-7232, 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
MS21297-05003
NSN: 5306-01-107-7232
FSC: 5306 — Bolts
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
head_height0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
thread_length0.579 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES HEAD
fastener_length0.777 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5306-01-107-7232
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS21297-05003 · 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: 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.777 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-8837,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.579 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES HEAD
EXTENDED WASHER THICKNESS0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
FASTENER LENGTH0.777 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-8837,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
THREAD LENGTH0.579 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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
5306PL1497754Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS21297-050003Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MS21297-05003?
MS21297-05003 is a BOLT,SHEAR.
What parts can replace MS21297-05003?
There are 2 known substitutes for MS21297-05003: 5306PL1497754, MS21297-050003. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21297-05003?
MS21297-05003 is cataloged in the U.S. Government catalog under NSN 5306-01-107-7232. 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.