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4F6872 — NUT,SELF-LOCKING,INTERNAL WRENCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4F6872: NUT,SELF-LOCKING,INTERNAL WRENCH.

NUT,SELF-LOCKING,INTERNAL WRENCH. Key specifications include material: PLASTIC LOCKING INSERT, nut_style: INTERNAL WRENCHING, nut_height: 1.289 INCHES NOMINAL IN, nut_diameter: 1.055 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-352-7840, 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
4F6872
NSN: 5310-00-352-7840
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC LOCKING INSERT
nut_styleINTERNAL WRENCHING
nut_height1.289 INCHES NOMINAL IN
nut_diameter1.055 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL EXCEPT INSERT
nominal_thread_size0.625 INCHES IN
width_between_flats0.750 INCHES NOMINAL IN
internal_drive_styleDOUBLE HEXAGON
NSN5310-00-352-7840
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4F6872 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
NUT DIAMETER: 1.055 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.750 INCHES NOMINAL IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 1.289 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL EXCEPT INSERT
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
NUT DIAMETER1.055 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT1.289 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL EXCEPT INSERT
INTERNAL DRIVE STYLEDOUBLE HEXAGON
NUT STYLEINTERNAL WRENCHING
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4F6872?
4F6872 is a NUT,SELF-LOCKING,INTERNAL WRENCH.
What is the NSN for 4F6872?
4F6872 is cataloged in the U.S. Government catalog under NSN 5310-00-352-7840. 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.