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3M54-4-23 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M54-4-23: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN, head_height: 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-292-5488, 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
3M54-4-23
NSN: 5305-00-292-5488
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
grip_length1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
head_height0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN
head_diameter0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
thread_length0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
fastener_length1.890 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN
special_featuresFURNISHED WITH O RING
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
NSN5305-00-292-5488
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M54-4-23 · 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: 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.890 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
FASTENER LENGTH1.890 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN
THREAD LENGTH0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
GRIP DIAMETER0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN
SPECIAL FEATURESFURNISHED WITH O RING
SURFACE TREATMENTCADMIUM OVERALL
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 1
54268-4-23Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3M54-4-23?
3M54-4-23 is a SCREW,CLOSE TOLERANCE.
What parts can replace 3M54-4-23?
There is 1 known substitute for 3M54-4-23: 54268-4-23. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M54-4-23?
3M54-4-23 is cataloged in the U.S. Government catalog under NSN 5305-00-292-5488. 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.