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8403071 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8403071: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED, special_features: 0.125 IN. W BY 0.125 IN.

DEEP SLOT ON ONE END IN, pin_overall_length: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN, pin_overall_diameter: 0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 5315-00-840-3071, 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
8403071
NSN: 5315-00-840-3071
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleCHAMFERED
special_features0.125 IN. W BY 0.125 IN. DEEP SLOT ON ONE END IN
pin_overall_length1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
pin_overall_diameter0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN
first_end_taper_angle44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM
first_end_taper_length0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-840-3071
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8403071 · 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
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END TAPER LENGTH: 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM
•
PIN OVERALL DIAMETER: 0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM
PIN OVERALL DIAMETER0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIAL FEATURES0.125 IN. W BY 0.125 IN. DEEP SLOT ON ONE END IN
MATERIALSTEEL COMP 304 OVERALL
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 1
5315008403071Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 8403071?
8403071 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 8403071?
There is 1 known substitute for 8403071: 5315008403071. Substitute compatibility should be verified for your specific system.
What is the NSN for 8403071?
8403071 is cataloged in the U.S. Government catalog under NSN 5315-00-840-3071. 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.