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2-13744-1 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2-13744-1: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, material: STEEL COMP 302 OR STEEL COMP 303S OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL, overall_length: 1.320 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OVERALL, undercut_width: 0.050 INCHES NOMINAL IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-710-6239, 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
2-13744-1
NSN: 5315-00-710-6239
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
diameter0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
materialSTEEL COMP 302 OR STEEL COMP 303S OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL
overall_length1.320 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
undercut_width0.050 INCHES NOMINAL IN
first_end_styleSQUARE
effective_length1.140 INCHES NOMINAL IN
style_designatorGROOVE
undercut_diameter0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
material_document_and_classificationMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-710-6239
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2-13744-1 · 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
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
UNDERCUT WIDTH: 0.050 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: SQUARE
•
STYLE DESIGNATOR: GROOVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
UNDERCUT WIDTH0.050 INCHES NOMINAL IN
UNDERCUT DIAMETER0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLESQUARE
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
OVERALL LENGTH1.320 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-13744-1?
2-13744-1 is a PIN,GROOVED,HEADLESS.
What is the NSN for 2-13744-1?
2-13744-1 is cataloged in the U.S. Government catalog under NSN 5315-00-710-6239. 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.