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Technical Data Sheet
PartsTable / COMPONENT / 427805
427805 ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.156 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM IN, fastener_length: 1.125 INCHES NOMINAL 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 5305-00-010-6276, 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
427805
NSN: 5305-00-010-6276
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.156 INCHES NOMINAL IN
thread_class2A A
thread_length0.750 INCHES MINIMUM IN
fastener_length1.125 INCHES NOMINAL IN
hardness_rating100.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.437 INCHES NOMINAL IN
minimum_yield_strength55000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5305-00-010-6276
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 427805 · 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
•
THREAD CLASS: 2A A
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY LENGTH
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 2 GRADE
•
MINIMUM YIELD STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
HARDNESS RATING: 100.0 ROCKWELL B MAXIMUM OVERALL
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY LENGTH
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 2 GRADE
MINIMUM YIELD STRENGTH55000 POUNDS PER SQUARE INCH LBS
HARDNESS RATING100.0 ROCKWELL B MAXIMUM OVERALL
HEAD STYLEHEXAGON
FASTENER LENGTH1.125 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.437 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
181316Interchangeable
interchangeable cross-reference
interchangeable
106276Interchangeable
interchangeable cross-reference
interchangeable
70894Interchangeable
interchangeable cross-reference
interchangeable
46013Interchangeable
interchangeable cross-reference
interchangeable
6784957Interchangeable
interchangeable cross-reference
interchangeable
FFS85TYPE2STYLE10PGRADE2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 427805?
427805 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 427805?
There are 6 known substitutes for 427805: 181316, 106276, 70894 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 427805?
427805 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-010-6276. 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