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A51C34513-11 — PIN,HOLLOW

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A51C34513-11: PIN,HOLLOW.

The PIN,HOLLOW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: COUNTERSUNK, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL, inside_diameter: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN, surface_treatment: CHROMIUM OVERALL, pin_overall_length: 3.030 INCHES MINIMUM AND 3.035 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-005-0056, 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
A51C34513-11
NSN: 5315-00-005-0056
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCOUNTERSUNK
hardness_rating46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
inside_diameter0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
surface_treatmentCHROMIUM OVERALL
pin_overall_length3.030 INCHES MINIMUM AND 3.035 INCHES MAXIMUM IN
pin_overall_diameter1.4990 INCHES MINIMUM AND 1.4993 INCHES MAXIMUM IN
first_end_countersink_angle60.0 DEGREES NOMINAL
first_end_countersink_diameter0.562 INCHES NOMINAL IN
material_document_and_classification4330 V/MOD G-1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL V
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationQQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-005-0056
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A51C34513-11 · 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 COUNTERSINK DIAMETER: 0.562 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: COUNTERSUNK
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 4330 V/MOD G-1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL V
•
PIN OVERALL DIAMETER: 1.4990 INCHES MINIMUM AND 1.4993 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 3.030 INCHES MINIMUM AND 3.035 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END COUNTERSINK DIAMETER0.562 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLECOUNTERSUNK
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION4330 V/MOD G-1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL V
PIN OVERALL DIAMETER1.4990 INCHES MINIMUM AND 1.4993 INCHES MAXIMUM IN
PIN OVERALL LENGTH3.030 INCHES MINIMUM AND 3.035 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END COUNTERSINK ANGLE60.0 DEGREES NOMINAL
INSIDE DIAMETER0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 A51C34513-11?
A51C34513-11 is a PIN,HOLLOW.
What is the NSN for A51C34513-11?
A51C34513-11 is cataloged in the U.S. Government catalog under NSN 5315-00-005-0056. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.