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SC1140B — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SC1140B: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: HEXAGON, thread_class: 3A A, fastener_length: 0.656 INCHES MINIMUM AND 0.658 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-362-7079, 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
SC1140B
NSN: 5305-00-362-7079
FSC: 5305 — Screws
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleHEXAGON
thread_class3A A
fastener_length0.656 INCHES MINIMUM AND 0.658 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
nominal_thread_diameter0.250 INCHES IN
hole_configuration_styleHEXAGON CORNERS
thread_quantity_per_inch20
thread_series_designatorUNF
material_document_and_classificationSAE J429 GR 8 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5305-00-362-7079
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SC1140B · 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: 0.656 INCHES MINIMUM AND 0.658 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: HEXAGON CORNERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR 8 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: OXIDE OVERALL
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.656 INCHES MINIMUM AND 0.658 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLEHEXAGON CORNERS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 8 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A A
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 2
SC400331Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5305003627079Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SC1140B?
SC1140B is a SCREW,CAP,HEXAGON HEAD.
What parts can replace SC1140B?
There are 2 known substitutes for SC1140B: SC400331, 5305003627079. Substitute compatibility should be verified for your specific system.
What is the NSN for SC1140B?
SC1140B is cataloged in the U.S. Government catalog under NSN 5305-00-362-7079. This indicates validated use in U.S. government and defense supply chains.
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