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3F6149 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3F6149: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 1.500 INCHES NOMINAL IN, diameter: 1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, material: STEEL COMP 1046 OVERALL, head_style: FLAT FILLISTER, chamfer_length: 0.250 INCHES NOMINAL IN, hardness_rating: 22.8 ROCKWELL C MINIMUM AND 29.9 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-276-3729, 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
3F6149
NSN: 5315-00-276-3729
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
height1.500 INCHES NOMINAL IN
diameter1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
materialSTEEL COMP 1046 OVERALL
head_styleFLAT FILLISTER
chamfer_length0.250 INCHES NOMINAL IN
hardness_rating22.8 ROCKWELL C MINIMUM AND 29.9 ROCKWELL C MAXIMUM OVERALL
style_designatorSTRAIGHT
pin_chamfer_angle25.0 DEGREES NOMINAL
pin_head_diameter2.250 INCHES NOMINAL IN
under_head_length8.250 INCHES NOMINAL IN
NSN5315-00-276-3729
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3F6149 · 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
•
CHAMFER LENGTH: 0.250 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 8.250 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 25.0 DEGREES NOMINAL
•
HARDNESS RATING: 22.8 ROCKWELL C MINIMUM AND 29.9 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 2.250 INCHES NOMINAL IN
•
DIAMETER: 1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT FILLISTER
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.250 INCHES NOMINAL IN
UNDER HEAD LENGTH8.250 INCHES NOMINAL IN
PIN CHAMFER ANGLE25.0 DEGREES NOMINAL
HARDNESS RATING22.8 ROCKWELL C MINIMUM AND 29.9 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER2.250 INCHES NOMINAL IN
DIAMETER1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
HEAD STYLEFLAT FILLISTER
HEIGHT1.500 INCHES NOMINAL IN
MATERIALSTEEL COMP 1046 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3F6149?
3F6149 is a PIN,STRAIGHT,HEADED.
What is the NSN for 3F6149?
3F6149 is cataloged in the U.S. Government catalog under NSN 5315-00-276-3729. 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.