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903-201 — 903-201

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

903-201: 903-201.

The 903-201 is a the manufacturer industrial component. Key specifications include material: STEEL COMP 202 OR ALUMINUM ALLOY 6061, overall_width: 0.260 INCHES NOMINAL IN, overall_height: 0.225 INCHES NOMINAL IN, overall_length: 3.800 INCHES NOMINAL IN, surface_treatment: PASSIVATE AND CHROMATE, mounting_facility_type_and_quantity: 1 SCREW SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-205-5577, 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
MRO→ MRO_GENERAL→ 903-201
NSN: 5315-01-205-5577
NIINs: 012055577, 013142012
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 12793 — AQUA-CHEM INC CLEAVER-BROOKS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 202 OR ALUMINUM ALLOY 6061
overall_width0.260 INCHES NOMINAL IN
overall_height0.225 INCHES NOMINAL IN
overall_length3.800 INCHES NOMINAL IN
surface_treatmentPASSIVATE AND CHROMATE
mounting_facility_type_and_quantity1 SCREW SINGLE MOUNTING FACILITY
material_document_and_classificationQQ-B-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/8 FED SPEC 2ND MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-S-5002 ASSN STD 1ST TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE
NSN5315-01-205-5577
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 903-201 · 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
SUBSTITUTES & CROSS-REFERENCES 1
322-1 PIECE 26Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 903-201?
903-201 is a 903-201. It is classified as a MRO (MRO_GENERAL).
What parts can replace 903-201?
There is 1 known substitute for 903-201: 322-1 PIECE 26. Substitute compatibility should be verified for your specific system.
What is the NSN for 903-201?
903-201 is cataloged in the U.S. Government catalog under NSN 5315-01-205-5577. 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.