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12312530-2 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12312530-2: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 1.000 INCHES NOMINAL IN, thread_class: 2A A, chamfer_angle: 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM, head_diameter: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-181-8958, 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
12312530-2
NSN: 5305-01-181-8958
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height1.000 INCHES NOMINAL IN
thread_class2A A
chamfer_angle30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
head_diameter1.500 INCHES NOMINAL IN
thread_length10.500 INCHES NOMINAL IN
fastener_length11.240 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.750 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-01-181-8958
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12312530-2 · 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: 0.750 INCHES NOMINAL IN
•
HEAD HEIGHT: 1.000 INCHES NOMINAL IN
•
FASTENER LENGTH: 11.240 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 10.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 2.000 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
HEAD HEIGHT1.000 INCHES NOMINAL IN
FASTENER LENGTH11.240 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.375 INCHES NOMINAL IN
THREAD LENGTH10.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER2.000 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
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 1
5305011818958Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12312530-2?
12312530-2 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 12312530-2?
There is 1 known substitute for 12312530-2: 5305011818958. Substitute compatibility should be verified for your specific system.
What is the NSN for 12312530-2?
12312530-2 is cataloged in the U.S. Government catalog under NSN 5305-01-181-8958. 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.