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252938R1 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

252938R1: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1015 OR STEEL COMP 1035 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: SQUARE, hardness_rating: 81.0 ROCKWELL A MINIMUM AND 84.0 ROCKWELL A MAXIMUM OVERALL, pin_overall_length: 1.306 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN, pin_overall_diameter: 0.5004 INCHES MINIMUM AND 0.5007 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-734-8735, 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
252938R1
NSN: 5315-00-734-8735
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1035 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleSQUARE
hardness_rating81.0 ROCKWELL A MINIMUM AND 84.0 ROCKWELL A MAXIMUM OVERALL
pin_overall_length1.306 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN
pin_overall_diameter0.5004 INCHES MINIMUM AND 0.5007 INCHES MAXIMUM IN
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-734-8735
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 252938R1 · 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: 32.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END STYLE: SQUARE
•
HARDNESS RATING: 81.0 ROCKWELL A MINIMUM AND 84.0 ROCKWELL A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
•
PIN OVERALL DIAMETER: 0.5004 INCHES MINIMUM AND 0.5007 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.306 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL COMP 1015 OR STEEL COMP 1035 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
FIRST END STYLESQUARE
HARDNESS RATING81.0 ROCKWELL A MINIMUM AND 84.0 ROCKWELL A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
PIN OVERALL DIAMETER0.5004 INCHES MINIMUM AND 0.5007 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.306 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL COMP 1015 OR STEEL COMP 1035 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
CD5561Reference document
Same NSN cross-reference
Reference document — Secondary reference
7348735Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CL6280Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 252938R1?
252938R1 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 252938R1?
There are 3 known substitutes for 252938R1: CD5561, 7348735, CL6280. Substitute compatibility should be verified for your specific system.
What is the NSN for 252938R1?
252938R1 is cataloged in the U.S. Government catalog under NSN 5315-00-734-8735. 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.