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M3173-2011 PIECE 7CP — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M3173-2011 PIECE 7CP: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-358-3956, 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
M3173-2011 PIECE 7CP
NSN: 5310-01-358-3956
FSC: 5310 — Nuts and Washers
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5310-01-358-3956
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M3173-2011 PIECE 7CP · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL: STEEL COMP 303 OVERALL
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIALSTEEL COMP 303 OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
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 1
M3173-2011 PIECE 7Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 M3173-2011 PIECE 7CP?
M3173-2011 PIECE 7CP is a NUT,PLAIN,HEXAGON.
What parts can replace M3173-2011 PIECE 7CP?
There is 1 known substitute for M3173-2011 PIECE 7CP: M3173-2011 PIECE 7. Substitute compatibility should be verified for your specific system.
What is the NSN for M3173-2011 PIECE 7CP?
M3173-2011 PIECE 7CP is cataloged in the U.S. Government catalog under NSN 5310-01-358-3956. 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.