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5496981-1 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5496981-1: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.050 INCHES NOMINAL IN, diameter: 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN, material: STEEL COMP 630 OVERALL, head_style: FLAT, undercut_width: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-278-4053, 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
5496981-1
NSN: 5315-01-278-4053
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
height0.050 INCHES NOMINAL IN
diameter0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
materialSTEEL COMP 630 OVERALL
head_styleFLAT
undercut_width0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
first_end_styleSQUARE
effective_length1.025 INCHES NOMINAL IN
style_designatorGROOVE
pin_head_diameter0.620 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
under_head_length1.137 INCHES NOMINAL IN
undercut_diameter0.464 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
NSN5315-01-278-4053
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5496981-1 · 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: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.464 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: WS19168 CAGEC 38597 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
UNDER HEAD LENGTH: 1.137 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.620 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.464 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONWS19168 CAGEC 38597 MFR REF SINGLE TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH1.137 INCHES NOMINAL IN
FIRST END STYLESQUARE
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.620 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
EFFECTIVE LENGTH1.025 INCHES NOMINAL 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 1
5496981-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5496981-1?
5496981-1 is a PIN,GROOVED,HEADED.
What parts can replace 5496981-1?
There is 1 known substitute for 5496981-1: 5496981-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 5496981-1?
5496981-1 is cataloged in the U.S. Government catalog under NSN 5315-01-278-4053. This indicates validated use in U.S. government and defense supply chains.
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