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298831PC3 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

298831PC3: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, diameter: 0.388 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN, material: STEEL COMP 4340 OVERALL, head_style: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION), undercut_width: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, first_end_style: ROUND.

This part is cataloged in the U.S. Government catalog under NSN 5315-00-276-5318, 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
298831PC3
NSN: 5315-00-276-5318
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
height0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
diameter0.388 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
materialSTEEL COMP 4340 OVERALL
head_stylePAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
undercut_width0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
first_end_styleROUND
style_designatorGROOVE
pin_head_diameter0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OVERALL
under_head_length3.938 INCHES MINIMUM AND 3.958 INCHES MAXIMUM IN
undercut_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
first_end_outer_radius0.250 INCHES NOMINAL IN
NSN5315-00-276-5318
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 298831PC3 · 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: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 3.938 INCHES MINIMUM AND 3.958 INCHES MAXIMUM IN
•
FIRST END STYLE: ROUND
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
•
DIAMETER: 0.388 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
•
HEAD STYLE: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
UNDER HEAD LENGTH3.938 INCHES MINIMUM AND 3.958 INCHES MAXIMUM IN
FIRST END STYLEROUND
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
DIAMETER0.388 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
HEAD STYLEPAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
HEIGHT0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE 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 1
639PC3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 298831PC3?
298831PC3 is a PIN,GROOVED,HEADED.
What parts can replace 298831PC3?
There is 1 known substitute for 298831PC3: 639PC3. Substitute compatibility should be verified for your specific system.
What is the NSN for 298831PC3?
298831PC3 is cataloged in the U.S. Government catalog under NSN 5315-00-276-5318. 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.