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732821PC4 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

732821PC4: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.3116 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, material: STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 8640 OVERALL, overall_length: 0.812 INCHES NOMINAL IN, surface_finish: 16.0 MICROINCHES OUTSIDE DIAMETER, undercut_width: 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-388-6079, 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
732821PC4
NSN: 5315-00-388-6079
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.3116 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
materialSTEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 8640 OVERALL
overall_length0.812 INCHES NOMINAL IN
surface_finish16.0 MICROINCHES OUTSIDE DIAMETER
undercut_width0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
first_end_styleCHAMFERED
hardness_rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
effective_length0.630 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
style_designatorGROOVE
undercut_diameter0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
first_end_taper_angle40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
NSN5315-00-388-6079
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 732821PC4 · 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
•
SURFACE FINISH: 16.0 MICROINCHES OUTSIDE DIAMETER
•
UNDERCUT WIDTH: 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.015 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: GROOVE
TECHNICAL CHARACTERISTICS
SURFACE FINISH16.0 MICROINCHES OUTSIDE DIAMETER
UNDERCUT WIDTH0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.015 INCHES NOMINAL IN
UNDERCUT DIAMETER0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLECHAMFERED
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
DIAMETER0.3116 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 732821PC4?
732821PC4 is a PIN,GROOVED,HEADLESS.
What is the NSN for 732821PC4?
732821PC4 is cataloged in the U.S. Government catalog under NSN 5315-00-388-6079. 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.