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1551AS877-1 — WASHER,SLOTTED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1551AS877-1: WASHER,SLOTTED.

The WASHER,SLOTTED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.510 INCHES NOMINAL IN, outside_diameter: 0.980 INCHES NOMINAL IN, style_designator: SLOTTED, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-301-4087, 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
1551AS877-1
NSN: 5310-01-301-4087
FSC: 5310 — Nuts and Washers
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.510 INCHES NOMINAL IN
outside_diameter0.980 INCHES NOMINAL IN
style_designatorSLOTTED
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.500 INCHES NOMINAL IN
material_document_and_classificationASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-301-4087
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1551AS877-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.980 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.510 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSLOTTED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.980 INCHES NOMINAL IN
MATERIAL THICKNESS0.500 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.510 INCHES NOMINAL IN
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 1551AS877-1?
1551AS877-1 is a WASHER,SLOTTED.
What is the NSN for 1551AS877-1?
1551AS877-1 is cataloged in the U.S. Government catalog under NSN 5310-01-301-4087. 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.