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3173988-4 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3173988-4: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, first_end_style: COUNTERBORED W/O THRU HOLE, second_end_style: SQUARE, pin_overall_length: 4.800 INCHES MINIMUM AND 4.810 INCHES MAXIMUM IN, pin_overall_diameter: 0.2995 INCHES MINIMUM AND 0.3005 INCHES MAXIMUM IN, first_end_counterbore_depth: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-349-9958, 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
3173988-4
NSN: 5315-01-349-9958
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
first_end_styleCOUNTERBORED W/O THRU HOLE
second_end_styleSQUARE
pin_overall_length4.800 INCHES MINIMUM AND 4.810 INCHES MAXIMUM IN
pin_overall_diameter0.2995 INCHES MINIMUM AND 0.3005 INCHES MAXIMUM IN
first_end_counterbore_depth0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
first_end_counterbore_diameter0.252 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-01-349-9958
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3173988-4 · 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 COUNTERBORE DIAMETER: 0.252 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
•
FIRST END STYLE: COUNTERBORED W/O THRU HOLE
•
PIN OVERALL DIAMETER: 0.2995 INCHES MINIMUM AND 0.3005 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 4.800 INCHES MINIMUM AND 4.810 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SECOND END STYLE: SQUARE
•
MATERIAL: STEEL COMP 630 OVERALL
•
FIRST END COUNTERBORE DEPTH: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FIRST END COUNTERBORE DIAMETER0.252 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
FIRST END STYLECOUNTERBORED W/O THRU HOLE
PIN OVERALL DIAMETER0.2995 INCHES MINIMUM AND 0.3005 INCHES MAXIMUM IN
PIN OVERALL LENGTH4.800 INCHES MINIMUM AND 4.810 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLESQUARE
MATERIALSTEEL COMP 630 OVERALL
FIRST END COUNTERBORE DEPTH0.130 INCHES MINIMUM AND 0.150 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

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 3173988-4?
3173988-4 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 3173988-4?
3173988-4 is cataloged in the U.S. Government catalog under NSN 5315-01-349-9958. This indicates validated use in U.S. government and defense supply chains.
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