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12605478 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12605478: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 12.9 OVERALL, head_style: FLAT CHAMFER, head_height: 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM, head_diameter: 17.73 MILLIMETERS MINIMUM AND 18.27 MILLIMETERS MAXIMUM MM, thread_length: 40.0 MILLIMETERS NOMINAL MM, fastener_length: 25.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-672-6799, 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
12605478
NSN: 5305-01-672-6799
NIINs: 016726799, 016728965
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 12.9 OVERALL
head_styleFLAT CHAMFER
head_height11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM
head_diameter17.73 MILLIMETERS MINIMUM AND 18.27 MILLIMETERS MAXIMUM MM
thread_length40.0 MILLIMETERS NOMINAL MM
fastener_length25.0 MILLIMETERS NOMINAL MM
special_featuresFINISH: FINAL PROTECTIVE FINISH IAW 12600041 METHOD 4
thread_directionRIGHT-HAND
surface_treatmentBLACK CHEMICAL FINISH OVERALL
width_across_flats10.03 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM MM
internal_drive_styleHEXAGON
end_item_identification2320-01-652-5208
NSN5305-01-672-6799
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12605478 · 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: 10.03 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM MM
•
HEAD HEIGHT: 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM
•
FASTENER LENGTH: 25.0 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 12600041,METHOD 4,MAGNI 575 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 25.0 MILLIMETERS NOMINAL MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM F568M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 12.0 MILLIMETERS MM
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS10.03 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM MM
HEAD HEIGHT11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM
FASTENER LENGTH25.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION12600041,METHOD 4,MAGNI 575 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH25.0 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM F568M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER12.0 MILLIMETERS MM
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
COLORBLACK OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
12605478-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12414475-276Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 12605478?
12605478 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 12605478?
There are 2 known substitutes for 12605478: 12605478-002, 12414475-276. Substitute compatibility should be verified for your specific system.
What is the NSN for 12605478?
12605478 is cataloged in the U.S. Government catalog under NSN 5305-01-672-6799. 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.