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D27537 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

D27537: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.188 INCHES NOMINAL IN, diameter: 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN, material: STEEL COMP 1022 OR STEEL COMP 1118 OVERALL, head_style: FLAT CHAMFER, undercut_width: 0.062 INCHES NOMINAL IN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-251-9347, 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
D27537
NSN: 5315-00-251-9347
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
height0.188 INCHES NOMINAL IN
diameter0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
materialSTEEL COMP 1022 OR STEEL COMP 1118 OVERALL
head_styleFLAT CHAMFER
undercut_width0.062 INCHES NOMINAL IN
first_end_styleCHAMFERED
style_designatorGROOVE
pin_head_diameter1.000 INCHES NOMINAL IN
under_head_length3.188 INCHES NOMINAL IN
undercut_diameter0.8115 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
first_hole_diameter0.281 INCHES NOMINAL IN
first_end_taper_angle15.0 DEGREES NOMINAL
NSN5315-00-251-9347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D27537 · 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: 0.062 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.188 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.8115 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 3.188 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVE
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.062 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.188 INCHES NOMINAL IN
UNDERCUT DIAMETER0.8115 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH3.188 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.281 INCHES NOMINAL IN
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER1.000 INCHES NOMINAL IN
DIAMETER0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
27537Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 D27537?
D27537 is a PIN,GROOVED,HEADED.
What parts can replace D27537?
There is 1 known substitute for D27537: 27537. Substitute compatibility should be verified for your specific system.
What is the NSN for D27537?
D27537 is cataloged in the U.S. Government catalog under NSN 5315-00-251-9347. 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.