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617-8549-001 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

617-8549-001: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL OVERALL, hole_diameter: 0.283 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN, outside_diameter: 0.437 INCHES NOMINAL IN, special_features: CENTER HOLE WIDTH 0.252 IN. MIN,0.256 IN.

MAX IN, surface_treatment: CADMIUM OVERALL, material_thickness: 0.042 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-101-4846, 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
617-8549-001
NSN: 5310-01-101-4846
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL OVERALL
hole_diameter0.283 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN
outside_diameter0.437 INCHES NOMINAL IN
special_featuresCENTER HOLE WIDTH 0.252 IN. MIN,0.256 IN. MAX IN
surface_treatmentCADMIUM OVERALL
material_thickness0.042 INCHES NOMINAL IN
external_prebent_key_width0.062 INCHES NOMINAL IN
external_prebent_key_length0.100 INCHES NOMINAL IN
overall_distance_including_keys0.532 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_centerline_to_inside_of_prebent_key0.271 INCHES NOMINAL IN
NSN5310-01-101-4846
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 617-8549-001 · 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,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.271 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY LENGTH: 0.100 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 0.532 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 FED SPEC 5TH MATERIAL RESPONSE OR ASTM A366 ASSN STD 6TH MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.042 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.271 INCHES NOMINAL IN
EXTERNAL PREBENT KEY LENGTH0.100 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS0.532 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 FED SPEC 5TH MATERIAL RESPONSE OR ASTM A366 ASSN STD 6TH MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
MATERIAL THICKNESS0.042 INCHES NOMINAL IN
SPECIAL FEATURESCENTER HOLE WIDTH 0.252 IN. MIN,0.256 IN. MAX IN
SURFACE TREATMENTCADMIUM OVERALL
EXTERNAL PREBENT KEY WIDTH0.062 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 617-8549-001?
617-8549-001 is a WASHER,KEY.
What is the NSN for 617-8549-001?
617-8549-001 is cataloged in the U.S. Government catalog under NSN 5310-01-101-4846. 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.