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PartsTable / COMPONENT / SCSR100-256
SCSR100-256 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, thread_length: 0.500 INCHES MINIMUM IN, screw_material: STEEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-156-2614, 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
SCSR100-256
NSN: 5305-00-156-2614
FSC: 5305
CAGE: 86360 — GE AVIATION SYSTEMS LLC DBA GE AVIATION DIV INFORMATION SYSTEMS - GERMANTOWN (USA)
SPECIFICATIONS
head_styleROUND
head_height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
thread_length0.500 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
NSN5305-00-156-2614
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SCSR100-256 · 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
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD STYLE: ROUND
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
HEAD HEIGHT: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD LENGTH0.500 INCHES MINIMUM IN
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 4 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
23086Interchangeable
interchangeable cross-reference
interchangeable
858310Interchangeable
interchangeable cross-reference
interchangeable
10-32 UNFInterchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
Same NIIN cross-reference
interchangeable
AN520C10-8Interchangeable
Same NIIN cross-reference
interchangeable
0415-358Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SCSR100-256?
SCSR100-256 is a SCREW,MACHINE.
What parts can replace SCSR100-256?
There are 6 known substitutes for SCSR100-256: 23086, 858310, 10-32 UNF and 3 more. Substitute compatibility should be verified for your specific system.
Is SCSR100-256 still available?
SCSR100-256 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026