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731795PC4 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

731795PC4: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.1250 INCHES MINIMUM AND 0.1252 INCHES MAXIMUM IN, material: STEEL COMP 8640 OVERALL, overall_length: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, undercut_width: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, first_end_style: SQUARE, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-274-4899, 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
731795PC4
NSN: 5315-00-274-4899
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.1250 INCHES MINIMUM AND 0.1252 INCHES MAXIMUM IN
materialSTEEL COMP 8640 OVERALL
overall_length0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
undercut_width0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
first_end_styleSQUARE
hardness_rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
effective_length0.288 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
style_designatorGROOVE
surface_treatmentPHOSPHATE OVERALL
undercut_diameter0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
material_document_and_classificationASTM A304,A322,OR A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-274-4899
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 731795PC4 · 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: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: SQUARE
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: GROOVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A304,A322,OR A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.1250 INCHES MINIMUM AND 0.1252 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLESQUARE
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A304,A322,OR A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.1250 INCHES MINIMUM AND 0.1252 INCHES MAXIMUM IN
OVERALL LENGTH0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 731795PC4?
731795PC4 is a PIN,GROOVED,HEADLESS.
What is the NSN for 731795PC4?
731795PC4 is cataloged in the U.S. Government catalog under NSN 5315-00-274-4899. 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.