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SL-9042 PIECE 21 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SL-9042 PIECE 21: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 1.000 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.594 INCHES NOMINAL IN, overall_length: 2.438 INCHES NOMINAL IN, shank_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-200-8239, 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
SL-9042 PIECE 21
NSN: 5315-00-200-8239
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length1.000 INCHES NOMINAL IN
thread_class3A A
thread_length0.594 INCHES NOMINAL IN
overall_length2.438 INCHES NOMINAL IN
shank_diameter0.500 INCHES NOMINAL IN
first_end_styleOVAL
second_end_styleSQUARE
style_designatorSHOULDER
thread_directionRIGHT-HAND
shoulder_diameter0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
first_end_locationLARGE END
NSN5315-00-200-8239
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SL-9042 PIECE 21 · 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
•
SHANK DIAMETER: 0.500 INCHES NOMINAL IN
•
FIRST END LOCATION: LARGE END
•
THREAD LENGTH: 0.594 INCHES NOMINAL IN
•
FIRST END STYLE: OVAL
•
SHANK LENGTH: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.500 INCHES NOMINAL IN
FIRST END LOCATIONLARGE END
THREAD LENGTH0.594 INCHES NOMINAL IN
FIRST END STYLEOVAL
SHANK LENGTH1.000 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH2.438 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES 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 6
DR83380PC46-461-571-572Reference document
Same NSN cross-reference
Reference document — Secondary reference
DR83393PC46-461-571-572Reference document
Same NSN cross-reference
Reference document — Secondary reference
1548PReference document
Same NSN cross-reference
Reference document — Secondary reference
DX87276PC46-461-571-572Reference document
Same NSN cross-reference
Reference document — Secondary reference
DX75637PC46-461-571-572Reference document
Same NSN cross-reference
Reference document — Secondary reference
DX83303PC46-461-571-572Reference 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 SL-9042 PIECE 21?
SL-9042 PIECE 21 is a PIN,SHOULDER,HEADLESS.
What parts can replace SL-9042 PIECE 21?
There are 6 known substitutes for SL-9042 PIECE 21: DR83380PC46-461-571-572, DR83393PC46-461-571-572, 1548P and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL-9042 PIECE 21?
SL-9042 PIECE 21 is cataloged in the U.S. Government catalog under NSN 5315-00-200-8239. 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.