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4009998 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4009998: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, surface_finish: 125.0 MICROINCHES BOTH ENDS, first_end_style: SQUARE, pin_overall_length: 5.960 INCHES MINIMUM AND 5.980 INCHES MAXIMUM IN, pin_overall_diameter: 0.1240 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN, material_document_and_classification: AMS 5744 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-367-8754, 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
4009998
NSN: 5315-00-367-8754
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 97139 — THE SLABE MACHINE PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
surface_finish125.0 MICROINCHES BOTH ENDS
first_end_styleSQUARE
pin_overall_length5.960 INCHES MINIMUM AND 5.980 INCHES MAXIMUM IN
pin_overall_diameter0.1240 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
material_document_and_classificationAMS 5744 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-367-8754
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4009998 · 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: 125.0 MICROINCHES BOTH ENDS
•
FIRST END STYLE: SQUARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5744 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.1240 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 5.960 INCHES MINIMUM AND 5.980 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES BOTH ENDS
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
FIRST END STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5744 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.1240 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
PIN OVERALL LENGTH5.960 INCHES MINIMUM AND 5.980 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL 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

No substitute or cross-reference records for this part.

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 4009998?
4009998 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 4009998?
4009998 is cataloged in the U.S. Government catalog under NSN 5315-00-367-8754. 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.