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12312415 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12312415: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 429 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.950 INCHES NOMINAL IN, fastener_length: 2.270 INCHES MINIMUM AND 2.330 INCHES MAXIMUM IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-164-5837, 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
12312415
NSN: 5305-01-164-5837
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 429 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.950 INCHES NOMINAL IN
fastener_length2.270 INCHES MINIMUM AND 2.330 INCHES MAXIMUM IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
washer_quantity1
thread_directionRIGHT-HAND
width_between_flats1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
primary_washer_styleFLAT
single_shear_strengthERR-060
extended_washer_diameter1.920 INCHES NOMINAL IN
NSN5305-01-164-5837
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12312415 · 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
•
EXTENDED WASHER THICKNESS: 0.160 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.950 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.270 INCHES MINIMUM AND 2.330 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 1.920 INCHES NOMINAL IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 1.920 INCHES NOMINAL IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
•
SINGLE SHEAR STRENGTH: ERR-060
•
HEAD STYLE: HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.160 INCHES NOMINAL IN
HEAD HEIGHT0.950 INCHES NOMINAL IN
FASTENER LENGTH2.270 INCHES MINIMUM AND 2.330 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER1.920 INCHES NOMINAL IN
PRIMARY WASHER OUTSIDE DIAMETER1.920 INCHES NOMINAL IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
SINGLE SHEAR STRENGTHERR-060
HEAD STYLEHEXAGON EXTENDED WASHER
PRIMARY WASHER STYLEFLAT
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 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 2
5305011645837Reference document
Same NSN cross-reference
Reference document — Informative reference only
5305PL2220304Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12312415?
12312415 is a SCREW,ASSEMBLED WASHER.
What parts can replace 12312415?
There are 2 known substitutes for 12312415: 5305011645837, 5305PL2220304. Substitute compatibility should be verified for your specific system.
What is the NSN for 12312415?
12312415 is cataloged in the U.S. Government catalog under NSN 5305-01-164-5837. 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.