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6539800-1 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6539800-1: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 1.172 INCHES MINIMUM AND 1.172 INCHES MINIMUM AND 1.180 INCHES MAXIMUM1.180 INCHES MAXIMUM IN, overall_length: 2.740 INCHES NOMINAL2.740 INCHES NOMINAL IN, undercut_width: 0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN, undercut_diameter: 1.246 INCHES MINIMUM AND 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM1.248 INCHES MAXIMUM IN, second_undercut_width: 0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-369-0845, 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
6539800-1
NSN: 5315-01-369-0845
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
diameter1.172 INCHES MINIMUM AND 1.172 INCHES MINIMUM AND 1.180 INCHES MAXIMUM1.180 INCHES MAXIMUM IN
overall_length2.740 INCHES NOMINAL2.740 INCHES NOMINAL IN
undercut_width0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN
undercut_diameter1.246 INCHES MINIMUM AND 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM1.248 INCHES MAXIMUM IN
second_undercut_width0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN
NSN5315-01-369-0845
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6539800-1 · 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: 0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 1.246 INCHES MINIMUM AND 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM1.248 INCHES MAXIMUM IN
•
DIAMETER: 1.172 INCHES MINIMUM AND 1.172 INCHES MINIMUM AND 1.180 INCHES MAXIMUM1.180 INCHES MAXIMUM IN
•
SECOND UNDERCUT WIDTH: 0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM IN
UNDERCUT DIAMETER1.246 INCHES MINIMUM AND 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM1.248 INCHES MAXIMUM IN
DIAMETER1.172 INCHES MINIMUM AND 1.172 INCHES MINIMUM AND 1.180 INCHES MAXIMUM1.180 INCHES MAXIMUM IN
OVERALL LENGTH2.740 INCHES NOMINAL2.740 INCHES NOMINAL IN
SECOND UNDERCUT WIDTH0.052 INCHES MINIMUM AND 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6539800-1?
6539800-1 is a PIN,GROOVED,HEADLESS.
What is the NSN for 6539800-1?
6539800-1 is cataloged in the U.S. Government catalog under NSN 5315-01-369-0845. 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.