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74D291037-2053 — NUT,PLAIN,KNURLED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74D291037-2053: NUT,PLAIN,KNURLED.

The NUT,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: KNURLED, nut_diameter: 0.375 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.380 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-167-9762, 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
74D291037-2053
NSN: 5310-01-167-9762
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleKNURLED
nut_diameter0.375 INCHES NOMINAL IN
thread_class3B
nut_thickness0.380 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
thread_directionRIGHT-HAND
countersink_angle89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM BOTH ENDS
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
material_document_and_classificationAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-167-9762
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74D291037-2053 · 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: UNIFIED NATIONAL JOINT FINE (UNJF)
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT DIAMETER: 0.375 INCHES NOMINAL IN
•
NUT THICKNESS: 0.380 INCHES NOMINAL IN
•
COUNTERSINK ANGLE: 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM BOTH ENDS
•
NUT STYLE: KNURLED
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT DIAMETER0.375 INCHES NOMINAL IN
NUT THICKNESS0.380 INCHES NOMINAL IN
COUNTERSINK ANGLE89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM BOTH ENDS
NUT STYLEKNURLED
THREAD CLASS3B
THREAD QUANTITY PER INCH28
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74D291037-2053?
74D291037-2053 is a NUT,PLAIN,KNURLED.
What is the NSN for 74D291037-2053?
74D291037-2053 is cataloged in the U.S. Government catalog under NSN 5310-01-167-9762. This indicates validated use in U.S. government and defense supply chains.
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