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BL-19570-1 — NUT,PLAIN,CASTELLATED,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BL-19570-1: NUT,PLAIN,CASTELLATED,HEXAGON.

The NUT,PLAIN,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: CASTELLATED, HEXAGON, nut_height: 0.161 INCHES NOMINAL IN, special_features: PER ALTERED ITEM DRAWING-STRIP CADIUM PLATING FROM NUT PRIOR TO ALTERING., surface_treatment: CADMIUM OVERALL, width_across_flats: 0.875 INCHES NOMINAL IN, end_item_identification: V-22 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-672-3829, 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
BL-19570-1
NSN: 5310-01-672-3829
FSC: 5310 — Nuts and Washers
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
nut_styleCASTELLATED, HEXAGON
nut_height0.161 INCHES NOMINAL IN
special_featuresPER ALTERED ITEM DRAWING-STRIP CADIUM PLATING FROM NUT PRIOR TO ALTERING.
surface_treatmentCADMIUM OVERALL
width_across_flats0.875 INCHES NOMINAL IN
end_item_identificationV-22 AIRCRAFT
hole_configuration_styleCONFIGURATION A
part_name_assigned_by_controlling_agencyNUT-SCREW SHAFT
NSN5310-01-672-3829
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BL-19570-1 · 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
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
HOLE CONFIGURATION STYLE: CONFIGURATION A
•
NUT HEIGHT: 0.161 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: CASTELLATED, HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
HOLE CONFIGURATION STYLECONFIGURATION A
NUT HEIGHT0.161 INCHES NOMINAL IN
SPECIAL FEATURESPER ALTERED ITEM DRAWING-STRIP CADIUM PLATING FROM NUT PRIOR TO ALTERING.
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT-SCREW SHAFT
NUT STYLECASTELLATED, HEXAGON
END ITEM IDENTIFICATIONV-22 AIRCRAFT
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 BL-19570-1?
BL-19570-1 is a NUT,PLAIN,CASTELLATED,HEXAGON.
What is the NSN for BL-19570-1?
BL-19570-1 is cataloged in the U.S. Government catalog under NSN 5310-01-672-3829. 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.