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324-21616 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

324-21616: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shear_strength: 12800 DOUBLE POUNDS PER SQUARE INCH, first_end_style: ROUND, second_end_style: SQUARE, surface_treatment: PHOSPHATE OVERALL, pin_overall_length: 0.999 INCHES MINIMUM AND 1.101 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-478-5670, 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
324-21616
NSN: 5315-01-478-5670
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shear_strength12800 DOUBLE POUNDS PER SQUARE INCH
first_end_styleROUND
second_end_styleSQUARE
special_featuresSECOND END SLIGHTLY TAPERED WITH POINT DIAMETER OF 0.230 TO 0.246;MAXIMUM SULFER AND PHOSPHORUS CONTENT SHALL BE 0.05 AND 0.04 PERCENT RESPECTIVELY;MATERIAL IS CARBON OR ALLOY STEEL
surface_treatmentPHOSPHATE OVERALL
pin_overall_length0.999 INCHES MINIMUM AND 1.101 INCHES MAXIMUM IN
pin_overall_diameter0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
first_end_outer_radius0.031 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
material_document_and_classificationFED STD NO 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endNOT IDENTICAL
part_name_assigned_by_controlling_agencyPIN, STRAIGHT HEADLESS, DOWEL
NSN5315-01-478-5670
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 324-21616 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232, TYPE2, CLASS2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
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FIRST END STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD NO 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.999 INCHES MINIMUM AND 1.101 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SURFACE TREATMENT: PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232, TYPE2, CLASS2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD NO 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.999 INCHES MINIMUM AND 1.101 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SPECIAL FEATURESSECOND END SLIGHTLY TAPERED WITH POINT DIAMETER OF 0.230 TO 0.246;MAXIMUM SULFER AND PHOSPHORUS CONTENT SHALL BE 0.05 AND 0.04 PERCENT RESPECTIVELY;MATERIAL IS CARBON OR ALLOY STEEL
SURFACE TREATMENTPHOSPHATE OVERALL
SHEAR STRENGTH12800 DOUBLE POUNDS PER SQUARE INCH
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 1
6352131 PART 2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 324-21616?
324-21616 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 324-21616?
There is 1 known substitute for 324-21616: 6352131 PART 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 324-21616?
324-21616 is cataloged in the U.S. Government catalog under NSN 5315-01-478-5670. 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.