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917581 — VANE,COMPRESSOR,AIRCRAFT GAS TUR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

917581: VANE,COMPRESSOR,AIRCRAFT GAS TUR.

VANE,COMPRESSOR,AIRCRAFT GAS TUR. Key specifications include material: STEEL COMP 8630 OVERALL, surface_finish: 40.0 MICROINCHES OVERALL, first_end_style: SQUARE, special_features: 0.149 IN. MIN,0.155 IN.

MAX DIA DRILL POINT CAVITY IN, surface_treatment: CADMIUM OVERALL, pin_overall_length: 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 5315-00-073-0001, 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
917581
NSN: 5315-00-073-0001
NIINs: 000730001, 001598815
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
surface_finish40.0 MICROINCHES OVERALL
first_end_styleSQUARE
special_features0.149 IN. MIN,0.155 IN. MAX DIA DRILL POINT CAVITY IN
surface_treatmentCADMIUM OVERALL
pin_overall_length0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
pin_overall_diameter0.1869 INCHES MINIMUM AND 0.1873 INCHES MAXIMUM IN
criticality_code_justificationACHU
material_document_and_classificationMIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-073-0001
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 917581 · 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 FINISH: 40.0 MICROINCHES OVERALL
•
FIRST END STYLE: SQUARE
•
CRITICALITY CODE JUSTIFICATION: ACHU
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.1869 INCHES MINIMUM AND 0.1873 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
SURFACE FINISH40.0 MICROINCHES OVERALL
FIRST END STYLESQUARE
CRITICALITY CODE JUSTIFICATIONACHU
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.1869 INCHES MINIMUM AND 0.1873 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIAL FEATURES0.149 IN. MIN,0.155 IN. MAX DIA DRILL POINT CAVITY IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 8630 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
917585-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 917581?
917581 is a VANE,COMPRESSOR,AIRCRAFT GAS TUR.
What parts can replace 917581?
There is 1 known substitute for 917581: 917585-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 917581?
917581 is cataloged in the U.S. Government catalog under NSN 5315-00-073-0001. 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.