PartsTable
Technical Data Sheet

20524/300.11 — NUT,PLAIN,RECTANGULAR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

20524/300.11: NUT,PLAIN,RECTANGULAR.

The NUT,PLAIN,RECTANGULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLAIN, RECTANGULAR, nut_width: 0.197 INCHES NOMINAL IN, nut_height: 0.080 INCHES NOMINAL IN, nut_length: 0.469 INCHES NOMINAL IN, surface_treatment: CADMIUM OR PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-141-9637, 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
20524/300.11
NSN: 5310-01-141-9637
FSC: 5310 — Nuts and Washers
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN, RECTANGULAR
nut_width0.197 INCHES NOMINAL IN
nut_height0.080 INCHES NOMINAL IN
nut_length0.469 INCHES NOMINAL IN
surface_treatmentCADMIUM OR PASSIVATE OVERALL
nominal_thread_size0.087 INCHES IN
hole_type_and_quantity2 TAPPED
material_document_and_classificationBS1449EN2 MFR REF SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationDTD 904C,FSCM K0639 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-141-9637
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20524/300.11 · 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
•
NUT WIDTH: 0.197 INCHES NOMINAL IN
•
NUT LENGTH: 0.469 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: DTD 904C,FSCM K0639 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: BS1449EN2 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.087 INCHES IN
•
NUT HEIGHT: 0.080 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
NUT WIDTH0.197 INCHES NOMINAL IN
NUT LENGTH0.469 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDTD 904C,FSCM K0639 MFR REF SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONBS1449EN2 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.087 INCHES IN
NUT HEIGHT0.080 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR PASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NUT STYLEPLAIN, RECTANGULAR
MATERIALSTEEL OVERALL
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 20524/300.11?
20524/300.11 is a NUT,PLAIN,RECTANGULAR.
What is the NSN for 20524/300.11?
20524/300.11 is cataloged in the U.S. Government catalog under NSN 5310-01-141-9637. 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.