PartsTable
Technical Data Sheet
Download PDF

12274178 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12274178: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.2500 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.7500 INCHES NOMINAL IN, fastener_length: 2.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-073-9773, 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
12274178
NSN: 5305-01-073-9773
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
head_styleHEXAGON
head_height0.2500 INCHES NOMINAL IN
thread_class2A A
thread_length0.7500 INCHES NOMINAL IN
fastener_length2.0000 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
locking_featurePATCH OR STRIP LOCKING FEATURE
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats1.1250 INCHES NOMINAL IN
thread_quantity_per_inch10
NSN5305-01-073-9773
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12274178 · 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: 0.2500 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.0000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.7500 INCHES NOMINAL IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA322 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.2500 INCHES NOMINAL IN
FASTENER LENGTH2.0000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.7500 INCHES NOMINAL IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA322 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.1250 INCHES NOMINAL IN
LOCKING FEATUREPATCH OR STRIP LOCKING FEATURE
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 12274178?
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 12274178?
12274178 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 12274178?
12274178 is cataloged in the U.S. Government catalog under NSN 5305-01-073-9773. 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 — 12274178