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5978947-3 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5978947-3: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, shank_length: 0.375 INCHES NOMINAL IN, overall_length: 1.625 INCHES NOMINAL IN, shank_diameter: 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, undercut_width: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-236-7050, 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
5978947-3
NSN: 5315-01-236-7050
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
shank_length0.375 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
shank_diameter0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
undercut_width0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
first_end_styleCHAMFERED
second_end_styleSQUARE
special_featuresUNDERCUT LOCATED 0.156 IN. NOM FROM SHOULDER; CENTERING TIP 0.063 IN. NOM DIA BY 60 DEGREES ON LG SHANK END IN
style_designatorUNDERCUT
shoulder_diameter0.500 INCHES NOMINAL IN
undercut_diameter0.291 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
first_end_locationSHORT SHANK END
NSN5315-01-236-7050
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5978947-3 · 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
•
SHANK DIAMETER: 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.230 INCHES NOMINAL IN
•
UNDERCUT WIDTH: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.060 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.291 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
FIRST END LOCATION: SHORT SHANK END
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.230 INCHES NOMINAL IN
UNDERCUT WIDTH0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.060 INCHES NOMINAL IN
UNDERCUT DIAMETER0.291 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
FIRST END LOCATIONSHORT SHANK END
FIRST END STYLECHAMFERED
SHANK LENGTH0.375 INCHES NOMINAL IN
STYLE DESIGNATORUNDERCUT
OVERALL LENGTH1.625 INCHES NOMINAL 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 5978947-3?
5978947-3 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 5978947-3?
5978947-3 is cataloged in the U.S. Government catalog under NSN 5315-01-236-7050. 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.