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7039178 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7039178: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.188 INCHES NOMINAL IN, diameter: 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, head_style: FLAT CHAMFER, chamfer_length: 0.062 INCHES NOMINAL IN, style_designator: STRAIGHT, pin_chamfer_angle: 45.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-221-4325, 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
7039178
NSN: 5315-01-221-4325
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.188 INCHES NOMINAL IN
diameter0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
head_styleFLAT CHAMFER
chamfer_length0.062 INCHES NOMINAL IN
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.688 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
under_head_length1.500 INCHES NOMINAL IN
first_hole_diameter0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
hole_arrangement_styleONE END DRILLED
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-221-4325
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7039178 · 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: 0.062 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 1.500 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.062 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH1.500 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.688 INCHES NOMINAL IN
DIAMETER0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
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 7039178?
7039178 is a PIN,STRAIGHT,HEADED.
What is the NSN for 7039178?
7039178 is cataloged in the U.S. Government catalog under NSN 5315-01-221-4325. 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.