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5287387 — NUT,PLAIN,SLOTTED,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5287387: NUT,PLAIN,SLOTTED,HEXAGON.

The NUT,PLAIN,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-528-7387, 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
5287387
NSN: 5310-00-528-7387
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
countersink_angle87.0 DEGREES MINIMUM AND 93.0 DEGREES MAXIMUM NUT
surface_treatmentPHOSPHATE OVERALL
width_across_flats1.812 INCHES NOMINAL IN
nominal_thread_size1.250 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch12
NSN5310-00-528-7387
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5287387 · 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
•
WIDTH ACROSS FLATS: 1.812 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A576 ASSN STD 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
NUT HEIGHT: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
COUNTERSINK ANGLE: 87.0 DEGREES MINIMUM AND 93.0 DEGREES MAXIMUM NUT
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.812 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A576 ASSN STD 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.250 INCHES IN
NUT HEIGHT0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
COUNTERSINK ANGLE87.0 DEGREES MINIMUM AND 93.0 DEGREES MAXIMUM NUT
NUT STYLESLOTTED, HEXAGON
THREAD CLASS2B
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 1
2195346Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5287387?
5287387 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace 5287387?
There is 1 known substitute for 5287387: 2195346. Substitute compatibility should be verified for your specific system.
What is the NSN for 5287387?
5287387 is cataloged in the U.S. Government catalog under NSN 5310-00-528-7387. This indicates validated use in U.S. government and defense supply chains.
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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.