PartsTable
Technical Data Sheet
Download PDF

3176207-C-212 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3176207-C-212: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL FASTENER, head_style: FLAT CHAMFER, head_height: 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, thread_length: 2.607 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-276-1623, 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
3176207-C-212
NSN: 5305-01-276-1623
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL FASTENER
head_styleFLAT CHAMFER
head_height0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
thread_length2.607 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
fastener_length2.750 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
locking_featurePATCH THREADS
thread_directionRIGHT-HAND
surface_treatmentZINC FASTENER
width_across_flats0.375 INCHES NOMINAL IN
NSN5305-01-276-1623
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3176207-C-212 · 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
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
•
THREAD LENGTH: 2.607 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
•
NOMINAL THREAD DIAMETER: 0.437 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
HEAD HEIGHT0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
FASTENER LENGTH2.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
THREAD LENGTH2.607 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
NOMINAL THREAD DIAMETER0.437 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPATCH THREADS
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 3176207-C-212?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3176207-C-212?
3176207-C-212 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 3176207-C-212?
3176207-C-212 is cataloged in the U.S. Government catalog under NSN 5305-01-276-1623. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3176207-C-212

✓ 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.