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12352783-1 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12352783-1: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.125 INCHES NOMINAL IN, diameter: 0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL, head_style: FLAT CHAMFER, undercut_width: 0.043 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-291-8906, 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
12352783-1
NSN: 5315-01-291-8906
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.125 INCHES NOMINAL IN
diameter0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
materialSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
head_styleFLAT CHAMFER
undercut_width0.043 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN
first_end_styleSQUARE
effective_length0.938 INCHES NOMINAL IN
style_designatorGROOVE
pin_head_diameter0.750 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
under_head_length1.125 INCHES NOMINAL IN
undercut_diameter0.396 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
NSN5315-01-291-8906
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12352783-1 · 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
•
UNDERCUT WIDTH: 0.043 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.396 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 CL 2 TY 2 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 TY 2 ASSN STD 2ND TREATMENT RESPONSE OVERALL
•
UNDER HEAD LENGTH: 1.125 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.043 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.396 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 CL 2 TY 2 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 TY 2 ASSN STD 2ND TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH1.125 INCHES NOMINAL IN
FIRST END STYLESQUARE
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
DIAMETER0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
EFFECTIVE LENGTH0.938 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 12352783-1?
12352783-1 is a PIN,GROOVED,HEADED.
What is the NSN for 12352783-1?
12352783-1 is cataloged in the U.S. Government catalog under NSN 5315-01-291-8906. 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.