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MS27576-5-28 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS27576-5-28: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DISHED HEXAGONDISHED HEXAGON, grip_length: 1.750 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN, head_height: 0.157 INCHES MINIMUM AND 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM0.172 INCHES MAXIMUM IN, thread_class: 3A3A, grip_diameter: 0.3108 INCHES MINIMUM AND 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM0.3117 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-003-4109, 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
MS27576-5-28
NSN: 5306-00-003-4109
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_styleDISHED HEXAGONDISHED HEXAGON
grip_length1.750 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN
head_height0.157 INCHES MINIMUM AND 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM0.172 INCHES MAXIMUM IN
thread_class3A3A
grip_diameter0.3108 INCHES MINIMUM AND 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM0.3117 INCHES MAXIMUM IN
thread_length0.311 INCHES MINIMUM AND 0.311 INCHES MINIMUM AND 0.378 INCHES MAXIMUM0.378 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length2.228 INCHES MINIMUM AND 2.228 INCHES MINIMUM AND 2.248 INCHES MAXIMUM2.248 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL
special_featuresW/RETAINING ELEMENT ON SHANK
thread_directionRIGHT-HANDRIGHT-HAND
NSN5306-00-003-4109
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS27576-5-28 · 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: 63.0 MICROINCHES GRIP
•
HEAD HEIGHT: 0.157 INCHES MINIMUM AND 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM0.172 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.228 INCHES MINIMUM AND 2.228 INCHES MINIMUM AND 2.248 INCHES MAXIMUM2.248 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.311 INCHES MINIMUM AND 0.311 INCHES MINIMUM AND 0.378 INCHES MAXIMUM0.378 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.157 INCHES MINIMUM AND 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM0.172 INCHES MAXIMUM IN
FASTENER LENGTH2.228 INCHES MINIMUM AND 2.228 INCHES MINIMUM AND 2.248 INCHES MAXIMUM2.248 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.311 INCHES MINIMUM AND 0.311 INCHES MINIMUM AND 0.378 INCHES MAXIMUM0.378 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-83050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 4
106467-5-28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SS27576-5-28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AC194-5-28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CA4510-5-28Reference 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 MS27576-5-28?
MS27576-5-28 is a BOLT,CLOSE TOLERANCE.
What parts can replace MS27576-5-28?
There are 4 known substitutes for MS27576-5-28: 106467-5-28, SS27576-5-28, AC194-5-28 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27576-5-28?
MS27576-5-28 is cataloged in the U.S. Government catalog under NSN 5306-00-003-4109. 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.