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Technical Data Sheet
PartsTable / COMPONENT / GP5-134X0438-14
GP5-134X0438-14 ✓ 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,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 0.438 INCHES NOMINAL IN, first_end_style: POINTED, style_designator: CENTER GROOVE, surface_treatment: ZINC OVERALL, first_end_location: BOTH ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-233-2413, 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
GP5-134X0438-14
NSN: 5315-00-233-2413
FSC: 5315
CAGE: 73957 — GROOV-PIN CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length0.438 INCHES NOMINAL IN
first_end_stylePOINTED
style_designatorCENTER GROOVE
surface_treatmentZINC OVERALL
first_end_locationBOTH ENDS
first_end_taper_angle127.0 DEGREES NOMINAL
intermediate_diameter0.134 INCHES NOMINAL IN
first_end_taper_length0.031 INCHES NOMINAL IN
pin_small_end_diameter0.125 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-233-2413
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GP5-134X0438-14 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN SMALL END DIAMETER: 0.125 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
STYLE DESIGNATOR: CENTER GROOVE
•
FIRST END TAPER ANGLE: 127.0 DEGREES NOMINAL
•
FIRST END STYLE: POINTED
•
INTERMEDIATE DIAMETER: 0.134 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.438 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN SMALL END DIAMETER0.125 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
STYLE DESIGNATORCENTER GROOVE
FIRST END TAPER ANGLE127.0 DEGREES NOMINAL
FIRST END STYLEPOINTED
INTERMEDIATE DIAMETER0.134 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
03S63-79Interchangeable
interchangeable cross-reference
interchangeable
715634PC14Interchangeable
interchangeable cross-reference
interchangeable
S7451Interchangeable
interchangeable cross-reference
interchangeable
82527Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GP5-134X0438-14?
GP5-134X0438-14 is a PIN,GROOVED,HEADLESS.
What parts can replace GP5-134X0438-14?
There are 4 known substitutes for GP5-134X0438-14: 03S63-79, 715634PC14, S7451 and 1 more. Substitute compatibility should be verified for your specific system.
Is GP5-134X0438-14 still available?
GP5-134X0438-14 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026