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2593783 PIECE 213 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2593783 PIECE 213: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN, material: STEEL OR STEEL COMP 4140 OVERALL, overall_length: 1.531 INCHES MINIMUM AND 1.541 INCHES MAXIMUM IN, undercut_width: 0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, first_end_style: SQUARE, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-168-5690, 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
2593783 PIECE 213
NSN: 5315-01-168-5690
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
diameter0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
materialSTEEL OR STEEL COMP 4140 OVERALL
overall_length1.531 INCHES MINIMUM AND 1.541 INCHES MAXIMUM IN
undercut_width0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
first_end_styleSQUARE
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
effective_length1.281 INCHES MINIMUM AND 1.286 INCHES MAXIMUM IN
style_designatorGROOVE
undercut_diameter0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
second_undercut_width0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
material_document_and_classificationHYTEN B3X,FSCM 01338 MFR REF 1ST MATERIAL RESPONSE OR B3X-40,FSCM 01338 MFR REF 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5315-01-168-5690
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2593783 PIECE 213 · 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: 0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: SQUARE
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: GROOVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: HYTEN B3X,FSCM 01338 MFR REF 1ST MATERIAL RESPONSE OR B3X-40,FSCM 01338 MFR REF 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.034 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLESQUARE
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONHYTEN B3X,FSCM 01338 MFR REF 1ST MATERIAL RESPONSE OR B3X-40,FSCM 01338 MFR REF 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL
DIAMETER0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
OVERALL LENGTH1.531 INCHES MINIMUM AND 1.541 INCHES MAXIMUM 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2593783 PIECE 213?
2593783 PIECE 213 is a PIN,GROOVED,HEADLESS.
What is the NSN for 2593783 PIECE 213?
2593783 PIECE 213 is cataloged in the U.S. Government catalog under NSN 5315-01-168-5690. 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.