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A51J11039-13 — PIN,STRAIGHT,KNURLED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A51J11039-13: PIN,STRAIGHT,KNURLED.

The PIN,STRAIGHT,KNURLED is a the manufacturer industrial component. Key specifications include diameter: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, knurl_length: 0.187 INCHES NOMINAL IN, overall_length: 0.562 INCHES NOMINAL IN, first_end_style: OVAL, second_end_style: SQUARE, special_features: 80 TEETH FINE KNURL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-115-1745, 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
A51J11039-13
NSN: 5315-01-115-1745
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
diameter0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
knurl_length0.187 INCHES NOMINAL IN
overall_length0.562 INCHES NOMINAL IN
first_end_styleOVAL
second_end_styleSQUARE
special_features80 TEETH FINE KNURL
style_designatorSTRAIGHT KNURLED
knurl_outside_diameter0.032 INCHES NOMINAL IN
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-01-115-1745
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A51J11039-13 · 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
•
KNURL OUTSIDE DIAMETER: 0.032 INCHES NOMINAL IN
•
KNURL LENGTH: 0.187 INCHES NOMINAL IN
•
FIRST END STYLE: OVAL
•
STYLE DESIGNATOR: STRAIGHT KNURLED
•
DIAMETER: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
KNURL OUTSIDE DIAMETER0.032 INCHES NOMINAL IN
KNURL LENGTH0.187 INCHES NOMINAL IN
FIRST END STYLEOVAL
STYLE DESIGNATORSTRAIGHT KNURLED
DIAMETER0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
OVERALL LENGTH0.562 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SPECIAL FEATURES80 TEETH FINE KNURL
SECOND END STYLESQUARE
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51J11039-13?
A51J11039-13 is a PIN,STRAIGHT,KNURLED.
What is the NSN for A51J11039-13?
A51J11039-13 is cataloged in the U.S. Government catalog under NSN 5315-01-115-1745. This indicates validated use in U.S. government and defense supply chains.
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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.