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SC2174-08-8 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SC2174-08-8: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.308 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN, screw_material: STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-293-6641, 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
SC2174-08-8
NSN: 5305-01-293-6641
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.308 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN
screw_materialSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
fastener_length0.823 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleTORQUE-SET RIBBED
nominal_thread_diameter0.164 INCHES IN
minimum_tensile_strength160000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
NSN5305-01-293-6641
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SC2174-08-8 · 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
•
HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.823 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: NAS498 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
FASTENER LENGTH0.823 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONNAS498 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLETORQUE-SET RIBBED
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 6
MATP111A-08-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
AM2802A08-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
GB511DU08-8Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
PBF1355A08-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HR217-08-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
122996A08-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 SC2174-08-8?
SC2174-08-8 is a SCREW,MACHINE.
What parts can replace SC2174-08-8?
There are 6 known substitutes for SC2174-08-8: MATP111A-08-8, AM2802A08-8, GB511DU08-8 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC2174-08-8?
SC2174-08-8 is cataloged in the U.S. Government catalog under NSN 5305-01-293-6641. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.