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125C601H01 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

125C601H01: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, shank_length: 1.086 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, overall_length: 1.780 INCHES NOMINAL IN, shank_diameter: 0.3725 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-081-2977, 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
125C601H01
NSN: 5315-01-081-2977
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 48306 — NORTHROP GRUMMAN SUPPORT SERVICES CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
shank_length1.086 INCHES NOMINAL IN
thread_class2A A
thread_length0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
overall_length1.780 INCHES NOMINAL IN
shank_diameter0.3725 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN
undercut_width0.094 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleCHAMFERED
style_designatorUNDERCUT
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5315-01-081-2977
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 125C601H01 · 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: 0.3725 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
UNDERCUT WIDTH: 0.094 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.336 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.334 INCHES NOMINAL IN
•
FIRST END LOCATION: UNTHREADED END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 122C499 PAR. J,FSCM 97942 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.3725 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
UNDERCUT WIDTH0.094 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.336 INCHES NOMINAL IN
UNDERCUT DIAMETER0.334 INCHES NOMINAL IN
FIRST END LOCATIONUNTHREADED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION122C499 PAR. J,FSCM 97942 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
SHANK LENGTH1.086 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 125C601H01?
125C601H01 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 125C601H01?
125C601H01 is cataloged in the U.S. Government catalog under NSN 5315-01-081-2977. 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.