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3M927-4L20 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M927-4L20: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FILLISTER COUNTERSUNK, grip_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, head_height: 0.015 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-285-2753, 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
3M927-4L20
NSN: 5305-01-285-2753
FSC: 5305 — Screws
CAGE: 007R1 — TWIST TITE MFG, INC DBA TWIST TITE MANUFACTURING INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleFILLISTER COUNTERSUNK
grip_length1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
head_height0.015 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
thread_length0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
fastener_length1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_providedCETYL ALCOHOL LUBRICANT
NSN5305-01-285-2753
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M927-4L20 · 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: 0.015 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: CETYL ALCOHOL LUBRICANT
•
HEAD STYLE: FILLISTER COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.015 INCHES MAXIMUM IN
FASTENER LENGTH1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDCETYL ALCOHOL LUBRICANT
HEAD STYLEFILLISTER COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
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 4
3M27-4L20Reference document
Same NSN cross-reference
Reference document — Secondary reference
HT4069-4-20ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3M926-4L20Reference document
Same NSN cross-reference
Reference document — Secondary reference
HT4096-4-20AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 3M927-4L20?
3M927-4L20 is a SCREW,CLOSE TOLERANCE.
What parts can replace 3M927-4L20?
There are 4 known substitutes for 3M927-4L20: 3M27-4L20, HT4069-4-20A, 3M926-4L20 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M927-4L20?
3M927-4L20 is cataloged in the U.S. Government catalog under NSN 5305-01-285-2753. 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.