PartsTable
Technical Data Sheet
Download PDF

21-S-375-3000 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21-S-375-3000: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.375 INCHES NOMINAL IN, material: STEEL OVERALL, overall_length: 3.000 INCHES NOMINAL IN, shear_strength: 17600 DOUBLE POUND, style_designator: SLOTTED, material_thickness: 0.080 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-657-9414, 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
21-S-375-3000
NSN: 5315-00-657-9414
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
diameter0.375 INCHES NOMINAL IN
materialSTEEL OVERALL
overall_length3.000 INCHES NOMINAL IN
shear_strength17600 DOUBLE POUND
style_designatorSLOTTED
material_thickness0.080 INCHES NOMINAL IN
NSN5315-00-657-9414
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21-S-375-3000 · 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
•
STYLE DESIGNATOR: SLOTTED
•
DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.080 INCHES NOMINAL IN
•
SHEAR STRENGTH: 17600 DOUBLE POUND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSLOTTED
DIAMETER0.375 INCHES NOMINAL IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.080 INCHES NOMINAL IN
SHEAR STRENGTH17600 DOUBLE POUND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
138-182Reference document
Same NSN cross-reference
Reference document — Secondary reference
5315PL0776407Reference document
Same NSN cross-reference
Reference document — Informative reference only
59-077-375-3000Reference document
Same NSN cross-reference
Reference document — Secondary reference
1X2042Reference 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
Ready to buy 21-S-375-3000?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 21-S-375-3000?
21-S-375-3000 is a PIN,SPRING.
What parts can replace 21-S-375-3000?
There are 4 known substitutes for 21-S-375-3000: 138-182, 5315PL0776407, 59-077-375-3000 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-S-375-3000?
21-S-375-3000 is cataloged in the U.S. Government catalog under NSN 5315-00-657-9414. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21-S-375-3000

✓ 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.