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Technical Data Sheet
PartsTable / COMPONENT / S1630-80826
S1630-80826 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 3.563 INCHES NOMINAL IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2487 INCHES MINIMUM AND 0.2494 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-680-5306, 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
S1630-80826
NSN: 5306-00-680-5306
FSC: 5306
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length3.563 INCHES NOMINAL IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2487 INCHES MINIMUM AND 0.2494 INCHES MAXIMUM IN
thread_length0.468 INCHES MINIMUM IN
fastener_length4.031 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
NSN5306-00-680-5306
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S1630-80826 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD CLASS: 3A A
•
HEAD STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES DESIGNATOR: UNF
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD CLASS3A A
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
15306Upgraded Successor
successor cross-reference
successor
550 FInterchangeable
interchangeable cross-reference
interchangeable
46776Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYJSZFInterchangeable
interchangeable cross-reference
interchangeable
R15306Interchangeable
interchangeable cross-reference
interchangeable
SS1100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1630-80826?
S1630-80826 is a BOLT,CLOSE TOLERANCE.
What parts can replace S1630-80826?
There are 15 known substitutes for S1630-80826: 15306, 550 F, 46776 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1630-80826?
S1630-80826 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-680-5306. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026