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4028537 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4028537: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-367-8746, 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
4028537
NSN: 5310-00-367-8746
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
nut_styleHEXAGON
nut_height0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
thread_directionRIGHT-HAND
countersink_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
width_across_flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch24
material_document_and_classificationAMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-367-8746
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4028537 · 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: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT HEIGHT: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
•
COUNTERSINK ANGLE: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
COUNTERSINK ANGLE85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH24
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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4028537?
4028537 is a NUT,PLAIN,HEXAGON.
What is the NSN for 4028537?
4028537 is cataloged in the U.S. Government catalog under NSN 5310-00-367-8746. This indicates validated use in U.S. government and defense supply chains.
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