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AIC473H4-8 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AIC473H4-8: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-617-8643, 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
AIC473H4-8
NSN: 5306-01-617-8643
FSC: 5306 — Bolts
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON W/HOLE
head_height0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
hole_quantity4
thread_length0.468 INCHES NOMINAL IN
shoulder_shapeROUND GRIP
fastener_length0.968 INCHES NOMINAL IN
shoulder_length0.500 INCHES NOMINAL GRIP IN
special_featuresBOLT - 12 POINT,FLANGE HEAD,0.0312 OVERSIZE,200 KSI FTU,CRES
NSN5306-01-617-8643
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AIC473H4-8 · 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: 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.968 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.500 INCHES NOMINAL GRIP IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM GRIP IN
•
THREAD LENGTH: 0.468 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
HEAD HEIGHT0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
FASTENER LENGTH0.968 INCHES NOMINAL IN
SHOULDER LENGTH0.500 INCHES NOMINAL GRIP IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SHOULDER DIAMETER0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM GRIP IN
THREAD LENGTH0.468 INCHES NOMINAL IN
SHOULDER SHAPEROUND GRIP
HOLE CONFIGURATION STYLEDOUBLE HEXAGON FLATS
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 5
ST3M607-4H8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VAL23033-4H8XSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BM3326-4H8YSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS3601-4H8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PBF1652-4H8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AIC473H4-8?
AIC473H4-8 is a BOLT,SHOULDER.
What parts can replace AIC473H4-8?
There are 5 known substitutes for AIC473H4-8: ST3M607-4H8, VAL23033-4H8X, BM3326-4H8Y and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AIC473H4-8?
AIC473H4-8 is cataloged in the U.S. Government catalog under NSN 5306-01-617-8643. 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.