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74D242001-2015 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74D242001-2015: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL, recess_angle: 100.0 DEGREES NOMINAL, hole_diameter: 0.250 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN, heat_treatment: COLD ROLLED, recess_diameter: 0.517 INCHES NOMINAL IN, outside_diameter: 1.700 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-138-6336, 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
74D242001-2015
NSN: 5310-01-138-6336
FSC: 5310 — Nuts and Washers
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
recess_angle100.0 DEGREES NOMINAL
hole_diameter0.250 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
heat_treatmentCOLD ROLLED
recess_diameter0.517 INCHES NOMINAL IN
outside_diameter1.700 INCHES NOMINAL IN
style_designatorRECESSED
material_thickness0.125 INCHES NOMINAL IN
NSN5310-01-138-6336
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74D242001-2015 · 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
•
HEAT TREATMENT: COLD ROLLED
•
STYLE DESIGNATOR: RECESSED
•
OUTSIDE DIAMETER: 1.700 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.517 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
•
HOLE DIAMETER: 0.250 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
•
RECESS ANGLE: 100.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
HEAT TREATMENTCOLD ROLLED
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER1.700 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
RECESS DIAMETER0.517 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
RECESS ANGLE100.0 DEGREES NOMINAL
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
74D24201-2015Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74D242001-2015?
74D242001-2015 is a WASHER,RECESSED.
What parts can replace 74D242001-2015?
There is 1 known substitute for 74D242001-2015: 74D24201-2015. Substitute compatibility should be verified for your specific system.
What is the NSN for 74D242001-2015?
74D242001-2015 is cataloged in the U.S. Government catalog under NSN 5310-01-138-6336. This indicates validated use in U.S. government and defense supply chains.
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