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74A410581-2001 — PIN,HOLLOW

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74A410581-2001: PIN,HOLLOW.

The PIN,HOLLOW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, first_end_style: COUNTERSUNK, inside_diameter: 0.795 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN, pin_overall_length: 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, first_hole_diameter: 0.090 INCHES NOMINAL IN, pin_overall_diameter: 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-121-1875, 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
74A410581-2001
NSN: 5315-01-121-1875
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
first_end_styleCOUNTERSUNK
inside_diameter0.795 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
pin_overall_length1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
first_hole_diameter0.090 INCHES NOMINAL IN
pin_overall_diameter0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
hole_arrangement_styleONE END DRILLED
first_end_countersink_angle45.0 DEGREES NOMINAL
first_end_countersink_diameter0.835 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-8844,CL 1 COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
distance_from_centerline_of_hole_to_end_of_pin0.560 INCHES NOMINAL IN
NSN5315-01-121-1875
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74A410581-2001 · 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
•
FIRST END COUNTERSINK DIAMETER: 0.835 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
FIRST END STYLE: COUNTERSUNK
•
FIRST HOLE DIAMETER: 0.090 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-8844,CL 1 COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END COUNTERSINK DIAMETER0.835 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN
HOLE ARRANGEMENT STYLEONE END DRILLED
FIRST END STYLECOUNTERSUNK
FIRST HOLE DIAMETER0.090 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8844,CL 1 COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END COUNTERSINK ANGLE45.0 DEGREES NOMINAL
INSIDE DIAMETER0.795 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
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 2
10122931Reference document
Same NSN cross-reference
Reference document — Informative reference only
19678-581Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 74A410581-2001?
74A410581-2001 is a PIN,HOLLOW.
What parts can replace 74A410581-2001?
There are 2 known substitutes for 74A410581-2001: 10122931, 19678-581. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A410581-2001?
74A410581-2001 is cataloged in the U.S. Government catalog under NSN 5315-01-121-1875. 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.