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HS5678C4B2-4 — PIN,RETAINING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HS5678C4B2-4: PIN,RETAINING.

The PIN,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: GRES 302 OR 304; DIMENSIONS ARE 1.0 X 0.5 X 0.5 INCHES IN, material_document_and_classification: 81348-AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: PIN, INDEX. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-641-2053, 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
HS5678C4B2-4
NSN: 5315-01-641-2053
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresGRES 302 OR 304; DIMENSIONS ARE 1.0 X 0.5 X 0.5 INCHES IN
material_document_and_classification81348-AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyPIN, INDEX
NSN5315-01-641-2053
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HS5678C4B2-4 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 81348-AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATION81348-AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPECIAL FEATURESGRES 302 OR 304; DIMENSIONS ARE 1.0 X 0.5 X 0.5 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, INDEX
MATERIALSTEEL CORROSION RESISTING OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS5678C4B2-4?
HS5678C4B2-4 is a PIN,RETAINING.
What is the NSN for HS5678C4B2-4?
HS5678C4B2-4 is cataloged in the U.S. Government catalog under NSN 5315-01-641-2053. 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.