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GS1030-10D27 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GS1030-10D27: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN, head_height: 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-079-1363, 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
GS1030-10D27
NSN: 5306-01-079-1363
FSC: 5306 — Bolts
CAGE: 1EM77 — B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN
head_height0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
thread_length0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
fastener_length2.585 INCHES MINIMUM AND 2.615 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
nominal_thread_diameter0.625 INCHES IN
NSN5306-01-079-1363
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GS1030-10D27 · 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: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.585 INCHES MINIMUM AND 2.615 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 23-112,TY A,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
HEAD HEIGHT0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
FASTENER LENGTH2.585 INCHES MINIMUM AND 2.615 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
THREAD LENGTH0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION23-112,TY A,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE 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 7
S371-10D27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M571-10D27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VAL23033-10D27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MB84-10D27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BM3326-10D27Reference document
Same NSN cross-reference
Reference document — Secondary reference
S11-1059-10D27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 GS1030-10D27?
GS1030-10D27 is a BOLT,SHEAR.
What parts can replace GS1030-10D27?
There are 7 known substitutes for GS1030-10D27: S371-10D27, ST3M571-10D27, VAL23033-10D27 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GS1030-10D27?
GS1030-10D27 is cataloged in the U.S. Government catalog under NSN 5306-01-079-1363. 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.