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99-6143 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

99-6143: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, shank_length: 0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, overall_length: 2.735 INCHES MINIMUM AND 2.765 INCHES MAXIMUM IN, shank_diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, first_end_style: SQUARE, special_features: PIN CONTAINS TWO 1/4-20 UNC-2 TAP THRU COUNTERSUNK 9/32 DIAMETER BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-617-4430, 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
99-6143
NSN: 5315-01-617-4430
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 38379 — MARKET FORGE INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
shank_length0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
overall_length2.735 INCHES MINIMUM AND 2.765 INCHES MAXIMUM IN
shank_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
first_end_styleSQUARE
special_featuresPIN CONTAINS TWO 1/4-20 UNC-2 TAP THRU COUNTERSUNK 9/32 DIAMETER BOTH SIDES
style_designatorSHOULDER
shoulder_diameter0.623 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
first_end_locationLARGE END
end_item_identification7360015791956
second_end_relationship_with_first_endIDENTICAL
part_name_assigned_by_controlling_agencyHINGE PIN
NSN5315-01-617-4430
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 99-6143 · 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
•
SHANK DIAMETER: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
FIRST END LOCATION: LARGE END
•
FIRST END STYLE: SQUARE
•
SHANK LENGTH: 0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
SHOULDER DIAMETER: 0.623 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
FIRST END LOCATIONLARGE END
FIRST END STYLESQUARE
SHANK LENGTH0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH2.735 INCHES MINIMUM AND 2.765 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SHOULDER DIAMETER0.623 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
SPECIAL FEATURESPIN CONTAINS TWO 1/4-20 UNC-2 TAP THRU COUNTERSUNK 9/32 DIAMETER BOTH SIDES
PART NAME ASSIGNED BY CONTROLLING AGENCYHINGE PIN
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
MAR99-6143Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 99-6143?
99-6143 is a PIN,SHOULDER,HEADLESS.
What parts can replace 99-6143?
There is 1 known substitute for 99-6143: MAR99-6143. Substitute compatibility should be verified for your specific system.
What is the NSN for 99-6143?
99-6143 is cataloged in the U.S. Government catalog under NSN 5315-01-617-4430. This indicates validated use in U.S. government and defense supply chains.
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