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3009721 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3009721: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, surface_finish: 63.0 MICROINCHES OVERALL, first_end_style: SQUARE, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL, surface_treatment: PHOSPHATE MANGANESE OVERALL, pin_overall_length: 8.390 INCHES MINIMUM AND 8.432 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-328-7045, 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
3009721
NSN: 5315-00-328-7045
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
surface_finish63.0 MICROINCHES OVERALL
first_end_styleSQUARE
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
surface_treatmentPHOSPHATE MANGANESE OVERALL
pin_overall_length8.390 INCHES MINIMUM AND 8.432 INCHES MAXIMUM IN
first_hole_diameter0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
pin_overall_diameter0.3100 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN
second_hole_diameter0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
hole_arrangement_styleBOTH END DRILLED
material_document_and_classificationAISI 4130 THRU 4140 OR AISI C1065 THRU C1095 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-328-7045
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3009721 · 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 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-16232,TYM,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
FIRST END STYLE: SQUARE
•
FIRST HOLE DIAMETER: 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 4130 THRU 4140 OR AISI C1065 THRU C1095 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.3100 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232,TYM,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE ARRANGEMENT STYLEBOTH END DRILLED
FIRST END STYLESQUARE
FIRST HOLE DIAMETER0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 4130 THRU 4140 OR AISI C1065 THRU C1095 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.3100 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN
PIN OVERALL LENGTH8.390 INCHES MINIMUM AND 8.432 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
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 — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3009721?
3009721 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 3009721?
3009721 is cataloged in the U.S. Government catalog under NSN 5315-00-328-7045. 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.