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PartsTable / COMPONENT / D15-548SPC388
D15-548SPC388 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: CHAMFERED, pin_overall_length: 0.750 INCHES NOMINAL IN, pin_overall_diameter: 0.1850 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.016 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3722, 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
D15-548SPC388
NSN: 5315-00-010-3722
FSC: 5315
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
pin_overall_length0.750 INCHES NOMINAL IN
pin_overall_diameter0.1850 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.016 INCHES NOMINAL IN
material_document_and_classificationQQ-S-633 1010 TO 1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-010-3722
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D15-548SPC388 · 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
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 1010 TO 1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.1850 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.750 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: CHAMFERED
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 1010 TO 1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.1850 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.750 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLECHAMFERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
30-8665Interchangeable
interchangeable cross-reference
interchangeable
103722Interchangeable
interchangeable cross-reference
interchangeable
33241210Interchangeable
interchangeable cross-reference
interchangeable
HF6603Interchangeable
interchangeable cross-reference
interchangeable
HC7400SUP4HInterchangeable
interchangeable cross-reference
interchangeable
D15-600VPC388Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D15-548SPC388?
D15-548SPC388 is a PIN,STRAIGHT,HEADLESS.
What parts can replace D15-548SPC388?
There are 11 known substitutes for D15-548SPC388: 30-8665, 103722, 33241210 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D15-548SPC388?
D15-548SPC388 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3722. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026