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Technical Data Sheet
PartsTable / COMPONENT / 908-127
908-127 ✓ 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,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 8.8 OVERALL, head_style: HEXAGON, head_height: 5.50 MILLIMETERS NOMINAL MM, thread_length: 23.50 MILLIMETERS MINIMUM AND 25.00 MILLIMETERS MAXIMUM MM, fastener_length: 25.00 MILLIMETERS NOMINAL MM, hardness_rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-534-6956, 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
908-127
NSN: 5306-00-534-6956
FSC: 5306
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 8.8 OVERALL
head_styleHEXAGON
head_height5.50 MILLIMETERS NOMINAL MM
thread_length23.50 MILLIMETERS MINIMUM AND 25.00 MILLIMETERS MAXIMUM MM
fastener_length25.00 MILLIMETERS NOMINAL MM
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
special_featuresGREEN COATED
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentDICHROMATE OVERALL
width_between_flats13.00 MILLIMETERS NOMINAL MM
nominal_thread_diameter8.0 MILLIMETERS MM
NSN5306-00-534-6956
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 908-127 · 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 SERIES: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
•
HEAD STYLE: HEXAGON
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 2.531 INCHES NOMINAL FIRST HOLE IN
•
THREAD SERIES DESIGNATOR: UNS
•
CONCENTRIC HOLE DEPTH: 2.688 INCHES NOMINAL IN
•
THREAD LENGTH: 4.562 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.250 INCHES CONCENTRIC HOLE IN
•
STYLE DESIGNATOR: CONCENTRIC HOLE UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
HEAD STYLEHEXAGON
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.531 INCHES NOMINAL FIRST HOLE IN
THREAD SERIES DESIGNATORUNS
CONCENTRIC HOLE DEPTH2.688 INCHES NOMINAL IN
THREAD LENGTH4.562 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.250 INCHES CONCENTRIC HOLE IN
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
NOMINAL THREAD DIAMETER0.688 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
9526Interchangeable
interchangeable cross-reference
interchangeable
984-09526Interchangeable
interchangeable cross-reference
interchangeable
M-4028-1Interchangeable
interchangeable cross-reference
interchangeable
908-127Interchangeable
interchangeable cross-reference
interchangeable
RTV8111/CATALYST 9891Interchangeable
interchangeable cross-reference
interchangeable
417443-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 908-127?
908-127 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace 908-127?
There are 9 known substitutes for 908-127: 9526, 984-09526, M-4028-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 908-127?
908-127 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-534-6956. 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