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LM307-31 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

LM307-31: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, grip_length: 2.295 INCHES MINIMUM AND 2.305 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN, thread_length: 0.243 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN, fastener_length: 2.595 INCHES MINIMUM AND 2.605 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-184-9451, 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
LM307-31
NSN: 5305-00-184-9451
FSC: 5305 — Screws
CAGE: 76005 — LORD CORPORATION DBA LORD CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
grip_length2.295 INCHES MINIMUM AND 2.305 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
thread_length0.243 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
fastener_length2.595 INCHES MINIMUM AND 2.605 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.1572 INCHES MINIMUM AND 0.1592 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength160000 POUNDS PER SQUARE INCH LBS
NSN5305-00-184-9451
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LM307-31 · 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: 0.1572 INCHES MINIMUM AND 0.1592 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.595 INCHES MINIMUM AND 2.605 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: J-1221-18,TYPE 1C FSCM 76005 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.243 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 2.295 INCHES MINIMUM AND 2.305 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.1572 INCHES MINIMUM AND 0.1592 INCHES MAXIMUM IN
FASTENER LENGTH2.595 INCHES MINIMUM AND 2.605 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONJ-1221-18,TYPE 1C FSCM 76005 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.243 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.295 INCHES MINIMUM AND 2.305 INCHES MAXIMUM IN
GRIP DIAMETER0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LM307-31?
LM307-31 is a SCREW,CLOSE TOLERANCE.
What is the NSN for LM307-31?
LM307-31 is cataloged in the U.S. Government catalog under NSN 5305-00-184-9451. 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.