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GP4-156X625-12 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

GP4-156X625-12: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP B1112 OR STEEL COMP 1212 OR STEEL COMP 1112 OVERALL, overall_length: 0.625 INCHES NOMINAL IN, style_designator: ONE HALF GROOVE, surface_treatment: CADMIUM OVERALL, intermediate_diameter: 0.166 INCHES NOMINAL IN, pin_small_end_diameter: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-948-0833, 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
GP4-156X625-12
NSN: 5315-00-948-0833
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73957 — GROOV-PIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP B1112 OR STEEL COMP 1212 OR STEEL COMP 1112 OVERALL
overall_length0.625 INCHES NOMINAL IN
style_designatorONE HALF GROOVE
surface_treatmentCADMIUM OVERALL
intermediate_diameter0.166 INCHES NOMINAL IN
pin_small_end_diameter0.156 INCHES NOMINAL IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5315-00-948-0833
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GP4-156X625-12 · 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
•
INTERMEDIATE DIAMETER: 0.166 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ONE HALF GROOVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
PIN SMALL END DIAMETER: 0.156 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP B1112 OR STEEL COMP 1212 OR STEEL COMP 1112 OVERALL
TECHNICAL CHARACTERISTICS
INTERMEDIATE DIAMETER0.166 INCHES NOMINAL IN
STYLE DESIGNATORONE HALF GROOVE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH0.625 INCHES NOMINAL IN
PIN SMALL END DIAMETER0.156 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP B1112 OR STEEL COMP 1212 OR STEEL COMP 1112 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 GP4-156X625-12?
GP4-156X625-12 is a PIN,GROOVED,HEADLESS.
What is the NSN for GP4-156X625-12?
GP4-156X625-12 is cataloged in the U.S. Government catalog under NSN 5315-00-948-0833. 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.